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19.228MHZ有源晶振 19.228M晶振 7050-2016封装 1.8-3.3V SIT8008
ALLEN BRADLEY 1791ESIB16 A ETHERNETIP BLOCK GUARD IO 19.228V
Allen Bradley 1791ESIB16 A Bloque Guard IO EthernetIP 19.228
德国IFM易福门ANT516读写头工作电压19.228.拍前询价
