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DB1S660S透射式光电开关槽距
打字DB206ROM DB1S680S DB1S660S DB1S650E DB1S650C
贴插SFH320FA-DB1S650E-DB1S660S-DB1S642S-DB1S680S-B
贴片直插DB1S660S，DB2S6002，DBL2018C，DBL5009B，DBLS102G
DB1S66060S透射式光电开关
