***德国SICK西克W45系列光电开关WL45-N250型号：WL45-N250WL45-N260WL45-N650WL45-N660WL45-P250WL45-P260WL45-P650WL45-P660WL45-R250WL45-R260WL45-R650WL45-R660WS/WE45-N250WS/WE45-N250S02欢迎来电垂询；联系人：刘小姐联系电话：020-8908282518819147022联系***：1143304562)