韓國龍聲電機株式會社 YONGSUNG轉(zhuǎn)換開關(guān) 差異開關(guān) 凸輪開關(guān) 同期開關(guān) 分合閘轉(zhuǎn)換開關(guān) 帶鑰匙轉(zhuǎn)換開關(guān) 鑰匙凸輪開關(guān) 帶指示燈轉(zhuǎn)換開關(guān) 帶指示燈凸輪開關(guān) 馬賽克屏用凸輪開關(guān) 5A小型轉(zhuǎn)換開關(guān) 連鎖繼電器 連鎖繼電器轉(zhuǎn)換開關(guān) 連鎖繼電器凸輪開關(guān) 接近開關(guān) 接近傳感器 交流電流表, 直流電流表 交流電壓表, 直流電壓表 溫度控制器 模擬溫度控制器 溫控表 溫度控制儀表 光字牌 顯示器 馬賽克顯示器 光字牌顯示器 閃光報警器 組合光字牌 方形指示燈 方形LED信號燈 報警裝置 斷電延時繼電器 停電延時繼電器 水位自動調(diào)節(jié)開關(guān) 水位繼電器 液位控制器 水位控制器 電極接線座 電極棒 液位傳感器 時間繼電器 計時繼電器  計時器 閃光時間繼電器 Y啟動器時間繼電器 星啟動器時間繼電器 三角起動時間繼電器 開關(guān)盒 控制盒 防水控制箱 防水鑄鋁盒 防水開關(guān)盒 防水密封盒 電子蜂鳴器 蜂鳴器 雙音蜂鳴器 報警器 電磁蜂鳴器 保險絲座 熔斷器座 方形&多極的連接器 航空插座 快速連接器 接線端子 端子排 匯流排 接線排 組合端子排 核能級接線端子 通訊端子排 測試端子 測試接線端子 繼電器底座 自保持繼電器 保持繼電器 雙位置繼電器 雙作用中間繼電器 中間繼電器 小型繼電器 大功率繼電器 通用繼電器 直流繼電器 直流電壓繼電器 DC220V繼電器 電流繼電器 保護繼電器 指示燈 信號燈 LED燈 警示燈 帶燈按鈕開關(guān) 帶指示燈按鈕開關(guān) 按鈕開關(guān) 普通按鈕開關(guān) 平頭按鈕開關(guān) 方形按鈕開關(guān) 鑰匙開關(guān) 帶鑰匙選擇開關(guān) 兩檔選擇開關(guān) 三檔選擇開關(guān) 位置選擇開關(guān) 選擇按鈕開關(guān) 腳踏開關(guān) 鑄鋁型腳踏開關(guān) 輔助開關(guān) 大頭按鈕開關(guān) 帶指示燈急停按鈕開關(guān) 帶指示燈急停開關(guān) 急停按鈕開關(guān) 超級急停開關(guān) 緊急停止開關(guān) 超級緊急按鈕開關(guān) 十字開關(guān) 一字開關(guān) 搖頭開關(guān) 杠桿開關(guān) 搖臂開關(guān) 組令開關(guān) 組令控制器 凸輪控制器 選擇鎖按鈕開關(guān)等等。歡迎來電咨詢。電話：傳真：  E-mail:@qq.com  。黃先生。

YSDNC2101-64M010B YSDNC2101-69M010B YSDNCA2101-64M010B YSDNCA2101-69M010B YSDNC2101-64M030B YSDNC2101-69M030B YSDNCA2101-64M030B YSDNCA2101-69M030B YSDNC2101-64M020B YSDNC2101-69M020B YSDNCA2101-64M020B YSDNCA2101-69M020B YSDNC2102-64M010B YSDNC2102-69M010B YSDNCA2102-64M010B YSDNCA2102-69M010B YSDNC2102-64M030B YSDNC2102-69M030B YSDNCA2102-64M030B YSDNCA2102-69M030B YSDNC2102-64M020B YSDNC2102-69M020B YSDNCA2102-64M020B YSDNCA2102-69M020B YSDNC2103-64M010B YSDNC2103-69M010B YSDNCA2103-64M010B YSDNCA2103-69M010B YSDNC2103-64M030B YSDNC2103-69M030B YSDNCA2103-64M030B YSDNCA2103-69M030B YSDNC2103-64M020B YSDNC2103-69M020B YSDNCA2103-64M020B YSDNCA2103-69M020B YSDNC2104-64M010B YSDNC2104-69M010B YSDNCA2104-64M010B YSDNCA2104-69M010B YSDNC2104-64M030B YSDNC2104-69M030B YSDNCA2104-64M030B YSDNCA2104-69M030B YSDNC2104-64M020B YSDNC2104-69M020B YSDNCA2104-64M020B YSDNCA2104-69M020B YSDNC2105-64M010B YSDNC2105-69M010B YSDNCA2105-64M010B YSDNCA2105-69M010B YSDNC2105-64M030B YSDNC2105-69M030B YSDNCA2105-64M030B YSDNCA2105-69M030B YSDNC2105-64M020B YSDNC2105-69M020B YSDNCA2105-64M020B YSDNCA2105-69M020B YSDNC2106-64M010B YSDNC2106-69M010B YSDNCA2106-64M010B YSDNCA2106-69M010B YSDNC2106-64M030B YSDNC2106-69M030B YSDNCA2106-64M030B YSDNCA2106-69M030B YSDNC2106-64M020B YSDNC2106-69M020B YSDNCA2106-64M020B YSDNCA2106-69M020B YSDNC2107-64M010B YSDNC2107-69M010B YSDNCA2107-64M010B YSDNCA2107-69M010B YSDNC2107-64M030B YSDNC2107-69M030B YSDNCA2107-64M030B YSDNCA2107-69M030B YSDNC2107-64M020B YSDNC2107-69M020B YSDNCA2107-64M020B YSDNCA2107-69M020B YSDNC2108-64M010B YSDNC2108-69M010B YSDNCA2108-64M010B YSDNCA2108-69M010B YSDNC2108-64M030B YSDNC2108-69M030B YSDNCA2108-64M030B YSDNCA2108-69M030B YSDNC2108-64M020B YSDNC2108-69M020B YSDNCA2108-64M020B YSDNCA2108-69M020B YSDNC2109-64M010B YSDNC2109-69M010B YSDNCA2109-64M010B YSDNCA2109-69M010B YSDNC2109-64M030B YSDNC2109-69M030B YSDNCA2109-64M030B YSDNCA2109-69M030B YSDNC2109-64M020B YSDNC2109-69M020B YSDNCA2109-64M020B YSDNCA2109-69M020B

YSDNC2201-64M010B YSDNC2201-69M010B YSDNCA2201-64M010B YSDNCA2201-69M010B YSDNC2201-64M030B YSDNC2201-69M030B YSDNCA2201-64M030B YSDNCA2201-69M030B YSDNC2201-64M020B YSDNC2201-69M020B YSDNCA2201-64M020B YSDNCA2201-69M020B YSDNC2202-64M010B YSDNC2202-69M010B YSDNCA2202-64M010B YSDNCA2202-69M010B YSDNC2202-64M030B YSDNC2202-69M030B YSDNCA2202-64M030B YSDNCA2202-69M030B YSDNC2202-64M020B YSDNC2202-69M020B YSDNCA2202-64M020B YSDNCA2202-69M020B YSDNC2203-64M010B YSDNC2203-69M010B YSDNCA2203-64M010B YSDNCA2203-69M010B YSDNC2203-64M030B YSDNC2203-69M030B YSDNCA2203-64M030B YSDNCA2203-69M030B YSDNC2203-64M020B YSDNC2203-69M020B YSDNCA2203-64M020B YSDNCA2203-69M020B YSDNC2204-64M010B YSDNC2204-69M010B YSDNCA2204-64M010B YSDNCA2204-69M010B YSDNC2204-64M030B YSDNC2204-69M030B YSDNCA2204-64M030B YSDNCA2204-69M030B YSDNC2204-64M020B YSDNC2204-69M020B YSDNCA2204-64M020B YSDNCA2204-69M020B YSDNC2205-64M010B YSDNC2205-69M010B YSDNCA2205-64M010B YSDNCA2205-69M010B YSDNC2205-64M030B YSDNC2205-69M030B YSDNCA2205-64M030B YSDNCA2205-69M030B YSDNC2205-64M020B YSDNC2205-69M020B YSDNCA2205-64M020B YSDNCA2205-69M020B YSDNC2206-64M010B YSDNC2206-69M010B YSDNCA2206-64M010B YSDNCA2206-69M010B YSDNC2206-64M030B YSDNC2206-69M030B YSDNCA2206-64M030B YSDNCA2206-69M030B YSDNC2206-64M020B YSDNC2206-69M020B YSDNCA2206-64M020B YSDNCA2206-69M020B YSDNC2207-64M010B YSDNC2207-69M010B YSDNCA2207-64M010B YSDNCA2207-69M010B YSDNC2207-64M030B YSDNC2207-69M030B YSDNCA2207-64M030B YSDNCA2207-69M030B YSDNC2207-64M020B YSDNC2207-69M020B YSDNCA2207-64M020B YSDNCA2207-69M020B YSDNC2208-64M010B YSDNC2208-69M010B YSDNCA2208-64M010B YSDNCA2208-69M010B YSDNC2208-64M030B YSDNC2208-69M030B YSDNCA2208-64M030B YSDNCA2208-69M030B YSDNC2208-64M020B YSDNC2208-69M020B YSDNCA2208-64M020B YSDNCA2208-69M020B YSDNC2209-64M010B YSDNC2209-69M010B YSDNCA2209-64M010B YSDNCA2209-69M010B YSDNC2209-64M030B YSDNC2209-69M030B YSDNCA2209-64M030B YSDNCA2209-69M030B YSDNC2209-64M020B YSDNC2209-69M020B YSDNCA2209-64M020B YSDNCA2209-69M020B YSDNC2301-64M010B YSDNC2301-69M010B YSDNCA2301-64M010B YSDNCA2301-69M010B YSDNC2301-64M030B YSDNC2301-69M030B YSDNCA2301-64M030B YSDNCA2301-69M030B YSDNC2301-64M020B YSDNC2301-69M020B YSDNCA2301-64M020B YSDNCA2301-69M020B YSDNC2302-64M010B YSDNC2302-69M010B YSDNCA2302-64M010B YSDNCA2302-69M010B YSDNC2302-64M030B YSDNC2302-69M030B YSDNCA2302-64M030B YSDNCA2302-69M030B YSDNC2302-64M020B YSDNC2302-69M020B YSDNCA2302-64M020B YSDNCA2302-69M020B YSDNC2303-64M010B YSDNC2303-69M010B YSDNCA2303-64M010B YSDNCA2303-69M010B YSDNC2303-64M030B YSDNC2303-69M030B YSDNCA2303-64M030B YSDNCA2303-69M030B YSDNC2303-64M020B YSDNC2303-69M020B YSDNCA2303-64M020B YSDNCA2303-69M020B YSDNC2304-64M010B YSDNC2304-69M010B YSDNCA2304-64M010B YSDNCA2304-69M010B YSDNC2304-64M030B YSDNC2304-69M030B YSDNCA2304-64M030B YSDNCA2304-69M030B YSDNC2304-64M020B YSDNC2304-69M020B YSDNCA2304-64M020B YSDNCA2304-69M020B YSDNC2305-64M010B YSDNC2305-69M010B YSDNCA2305-64M010B YSDNCA2305-69M010B YSDNC2305-64M030B YSDNC2305-69M030B YSDNCA2305-64M030B YSDNCA2305-69M030B YSDNC2305-64M020B YSDNC2305-69M020B YSDNCA2305-64M020B YSDNCA2305-69M020B YSDNC2306-64M010B YSDNC2306-69M010B YSDNCA2306-64M010B YSDNCA2306-69M010B YSDNC2306-64M030B YSDNC2306-69M030B YSDNCA2306-64M030B YSDNCA2306-69M030B YSDNC2306-64M020B YSDNC2306-69M020B YSDNCA2306-64M020B YSDNCA2306-69M020B YSDNC2307-64M010B YSDNC2307-69M010B YSDNCA2307-64M010B YSDNCA2307-69M010B YSDNC2307-64M030B YSDNC2307-69M030B YSDNCA2307-64M030B YSDNCA2307-69M030B YSDNC2307-64M020B YSDNC2307-69M020B YSDNCA2307-64M020B YSDNCA2307-69M020B YSDNC2308-64M010B YSDNC2308-69M010B YSDNCA2308-64M010B YSDNCA2308-69M010B YSDNC2308-64M030B YSDNC2308-69M030B YSDNCA2308-64M030B YSDNCA2308-69M030B YSDNC2308-64M020B YSDNC2308-69M020B YSDNCA2308-64M020B YSDNCA2308-69M020B YSDNC2309-64M010B YSDNC2309-69M010B YSDNCA2309-64M010B YSDNCA2309-69M010B YSDNC2309-64M030B YSDNC2309-69M030B YSDNCA2309-64M030B YSDNCA2309-69M030B YSDNC2309-64M020B YSDNC2309-69M020B YSDNCA2309-64M020B YSDNCA2309-69M020B YSDNC2401-64M010B YSDNC2401-69M010B YSDNCA2401-64M010B YSDNCA2401-69M010B YSDNC2401-64M030B YSDNC2401-69M030B YSDNCA2401-64M030B YSDNCA2401-69M030B YSDNC2401-64M020B YSDNC2401-69M020B YSDNCA2401-64M020B YSDNCA2401-69M020B YSDNC2402-64M010B YSDNC2402-69M010B YSDNCA2402-64M010B YSDNCA2402-69M010B YSDNC2402-64M030B YSDNC2402-69M030B YSDNCA2402-64M030B YSDNCA2402-69M030B YSDNC2402-64M020B YSDNC2402-69M020B YSDNCA2402-64M020B YSDNCA2402-69M020B YSDNC2403-64M010B YSDNC2403-69M010B YSDNCA2403-64M010B YSDNCA2403-69M010B YSDNC2403-64M030B YSDNC2403-69M030B YSDNCA2403-64M030B YSDNCA2403-69M030B YSDNC2403-64M020B YSDNC2403-69M020B YSDNC2101-64M010B YSDNC2101-69M010B YSDNCA2101-64M010B YSDNCA2101-69M010B YSDNC2101-64M030B YSDNC2101-69M030B YSDNCA2101-64M030B YSDNCA2101-69M030B YSDNC2101-64M020B YSDNC2101-69M020B YSDNCA2101-64M020B YSDNCA2101-69M020B YSDNC2102-64M010B YSDNC2102-69M010B YSDNCA2102-64M010B YSDNCA2102-69M010B YSDNC2102-64M030B YSDNC2102-69M030B YSDNCA2102-64M030B YSDNCA2102-69M030B YSDNC2102-64M020B YSDNC2102-69M020B YSDNCA2102-64M020B YSDNCA2102-69M020B YSDNC2103-64M010B YSDNC2103-69M010B YSDNCA2103-64M010B YSDNCA2103-69M010B YSDNC2103-64M030B YSDNC2103-69M030B YSDNCA2103-64M030B YSDNCA2103-69M030B YSDNC2103-64M020B YSDNC2103-69M020B YSDNCA2103-64M020B YSDNCA2103-69M020B YSDNC2104-64M010B YSDNC2104-69M010B YSDNCA2104-64M010B YSDNCA2104-69M010B YSDNC2104-64M030B YSDNC2104-69M030B YSDNCA2104-64M030B YSDNCA2104-69M030B YSDNC2104-64M020B YSDNC2104-69M020B YSDNCA2104-64M020B YSDNCA2104-69M020B YSDNC2105-64M010B YSDNC2105-69M010B YSDNCA2105-64M010B YSDNCA2105-69M010B YSDNC2105-64M030B YSDNC2105-69M030B YSDNCA2105-64M030B YSDNCA2105-69M030B YSDNC2105-64M020B YSDNC2105-69M020B YSDNCA2105-64M020B YSDNCA2105-69M020B YSDNC2106-64M010B YSDNC2106-69M010B YSDNCA2106-64M010B YSDNCA2106-69M010B YSDNC2106-64M030B YSDNC2106-69M030B YSDNCA2106-64M030B YSDNCA2106-69M030B YSDNC2106-64M020B YSDNC2106-69M020B YSDNCA2106-64M020B YSDNCA2106-69M020B YSDNC2107-64M010B YSDNC2107-69M010B YSDNCA2107-64M010B YSDNCA2107-69M010B YSDNC2107-64M030B YSDNC2107-69M030B YSDNCA2107-64M030B YSDNCA2107-69M030B YSDNC2107-64M020B YSDNC2107-69M020B YSDNCA2107-64M020B YSDNCA2107-69M020B YSDNC2108-64M010B YSDNC2108-69M010B YSDNCA2108-64M010B YSDNCA2108-69M010B YSDNC2108-64M030B YSDNC2108-69M030B YSDNCA2108-64M030B YSDNCA2108-69M030B YSDNC2108-64M020B YSDNC2108-69M020B YSDNCA2108-64M020B YSDNCA2108-69M020B YSDNC2109-64M010B YSDNC2109-69M010B YSDNCA2109-64M010B YSDNCA2109-69M010B YSDNC2109-64M030B YSDNC2109-69M030B YSDNCA2109-64M030B YSDNCA2109-69M030B YSDNC2109-64M020B YSDNC2109-69M020B YSDNCA2109-64M020B YSDNCA2109-69M020B

YSDNC2201-64M010B YSDNC2201-69M010B YSDNCA2201-64M010B YSDNCA2201-69M010B YSDNC2201-64M030B YSDNC2201-69M030B YSDNCA2201-64M030B YSDNCA2201-69M030B YSDNC2201-64M020B YSDNC2201-69M020B YSDNCA2201-64M020B YSDNCA2201-69M020B YSDNC2202-64M010B YSDNC2202-69M010B YSDNCA2202-64M010B YSDNCA2202-69M010B YSDNC2202-64M030B YSDNC2202-69M030B YSDNCA2202-64M030B YSDNCA2202-69M030B YSDNC2202-64M020B YSDNC2202-69M020B YSDNCA2202-64M020B YSDNCA2202-69M020B YSDNC2203-64M010B YSDNC2203-69M010B YSDNCA2203-64M010B YSDNCA2203-69M010B YSDNC2203-64M030B YSDNC2203-69M030B YSDNCA2203-64M030B YSDNCA2203-69M030B YSDNC2203-64M020B YSDNC2203-69M020B YSDNCA2203-64M020B YSDNCA2203-69M020B YSDNC2204-64M010B YSDNC2204-69M010B YSDNCA2204-64M010B YSDNCA2204-69M010B YSDNC2204-64M030B YSDNC2204-69M030B YSDNCA2204-64M030B YSDNCA2204-69M030B YSDNC2204-64M020B YSDNC2204-69M020B YSDNCA2204-64M020B YSDNCA2204-69M020B YSDNC2205-64M010B YSDNC2205-69M010B YSDNCA2205-64M010B YSDNCA2205-69M010B YSDNC2205-64M030B YSDNC2205-69M030B YSDNCA2205-64M030B YSDNCA2205-69M030B YSDNC2205-64M020B YSDNC2205-69M020B YSDNCA2205-64M020B YSDNCA2205-69M020B YSDNC2206-64M010B YSDNC2206-69M010B YSDNCA2206-64M010B YSDNCA2206-69M010B YSDNC2206-64M030B YSDNC2206-69M030B YSDNCA2206-64M030B YSDNCA2206-69M030B YSDNC2206-64M020B YSDNC2206-69M020B YSDNCA2206-64M020B YSDNCA2206-69M020B YSDNC2207-64M010B YSDNC2207-69M010B YSDNCA2207-64M010B YSDNCA2207-69M010B YSDNC2207-64M030B YSDNC2207-69M030B YSDNCA2207-64M030B YSDNCA2207-69M030B YSDNC2207-64M020B YSDNC2207-69M020B YSDNCA2207-64M020B YSDNCA2207-69M020B YSDNC2208-64M010B YSDNC2208-69M010B YSDNCA2208-64M010B YSDNCA2208-69M010B YSDNC2208-64M030B YSDNC2208-69M030B YSDNCA2208-64M030B YSDNCA2208-69M030B YSDNC2208-64M020B YSDNC2208-69M020B YSDNCA2208-64M020B YSDNCA2208-69M020B YSDNC2209-64M010B YSDNC2209-69M010B YSDNCA2209-64M010B YSDNCA2209-69M010B YSDNC2209-64M030B YSDNC2209-69M030B YSDNCA2209-64M030B YSDNCA2209-69M030B YSDNC2209-64M020B YSDNC2209-69M020B YSDNCA2209-64M020B YSDNCA2209-69M020B YSDNC2301-64M010B YSDNC2301-69M010B YSDNCA2301-64M010B YSDNCA2301-69M010B YSDNC2301-64M030B YSDNC2301-69M030B YSDNCA2301-64M030B YSDNCA2301-69M030B YSDNC2301-64M020B YSDNC2301-69M020B YSDNCA2301-64M020B YSDNCA2301-69M020B YSDNC2302-64M010B YSDNC2302-69M010B YSDNCA2302-64M010B YSDNCA2302-69M010B YSDNC2302-64M030B YSDNC2302-69M030B YSDNCA2302-64M030B YSDNCA2302-69M030B YSDNC2302-64M020B YSDNC2302-69M020B YSDNCA2302-64M020B YSDNCA2302-69M020B YSDNC2303-64M010B YSDNC2303-69M010B YSDNCA2303-64M010B YSDNCA2303-69M010B YSDNC2303-64M030B YSDNC2303-69M030B YSDNCA2303-64M030B YSDNCA2303-69M030B YSDNC2303-64M020B YSDNC2303-69M020B YSDNCA2303-64M020B YSDNCA2303-69M020B YSDNC2304-64M010B YSDNC2304-69M010B YSDNCA2304-64M010B YSDNCA2304-69M010B YSDNC2304-64M030B YSDNC2304-69M030B YSDNCA2304-64M030B YSDNCA2304-69M030B YSDNC2304-64M020B YSDNC2304-69M020B YSDNCA2304-64M020B YSDNCA2304-69M020B YSDNC2305-64M010B YSDNC2305-69M010B YSDNCA2305-64M010B YSDNCA2305-69M010B YSDNC2305-64M030B YSDNC2305-69M030B YSDNCA2305-64M030B YSDNCA2305-69M030B YSDNC2305-64M020B YSDNC2305-69M020B YSDNCA2305-64M020B YSDNCA2305-69M020B YSDNC2306-64M010B YSDNC2306-69M010B YSDNCA2306-64M010B YSDNCA2306-69M010B YSDNC2306-64M030B YSDNC2306-69M030B YSDNCA2306-64M030B YSDNCA2306-69M030B YSDNC2306-64M020B YSDNC2306-69M020B YSDNCA2306-64M020B YSDNCA2306-69M020B YSDNC2307-64M010B YSDNC2307-69M010B YSDNCA2307-64M010B YSDNCA2307-69M010B YSDNC2307-64M030B YSDNC2307-69M030B YSDNCA2307-64M030B YSDNCA2307-69M030B YSDNC2307-64M020B YSDNC2307-69M020B YSDNCA2307-64M020B YSDNCA2307-69M020B YSDNC2308-64M010B YSDNC2308-69M010B YSDNCA2308-64M010B YSDNCA2308-69M010B YSDNC2308-64M030B YSDNC2308-69M030B YSDNCA2308-64M030B YSDNCA2308-69M030B YSDNC2308-64M020B YSDNC2308-69M020B YSDNCA2308-64M020B YSDNCA2308-69M020B YSDNC2309-64M010B YSDNC2309-69M010B YSDNCA2309-64M010B YSDNCA2309-69M010B YSDNC2309-64M030B YSDNC2309-69M030B YSDNCA2309-64M030B YSDNCA2309-69M030B YSDNC2309-64M020B YSDNC2309-69M020B YSDNCA2309-64M020B YSDNCA2309-69M020B YSDNC2401-64M010B YSDNC2401-69M010B YSDNCA2401-64M010B YSDNCA2401-69M010B YSDNC2401-64M030B YSDNC2401-69M030B YSDNCA2401-64M030B YSDNCA2401-69M030B YSDNC2401-64M020B YSDNC2401-69M020B YSDNCA2401-64M020B YSDNCA2401-69M020B YSDNC2402-64M010B YSDNC2402-69M010B YSDNCA2402-64M010B YSDNCA2402-69M010B YSDNC2402-64M030B YSDNC2402-69M030B YSDNCA2402-64M030B YSDNCA2402-69M030B YSDNC2402-64M020B YSDNC2402-69M020B YSDNCA2402-64M020B YSDNCA2402-69M020B YSDNC2403-64M010B YSDNC2403-69M010B YSDNCA2403-64M010B YSDNCA2403-69M010B YSDNC2403-64M030B YSDNC2403-69M030B YSDNCA2403-64M030B YSDNCA2403-69M030B YSDNC2403-64M020B YSDNC2403-69M020B