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NEGELE泡沫电极液位开关码NVS-146/850-8/M(15-36VDC) NEGELE料位开关NCS-11/PNP NEGELE液位传感器NVS-136/200SN:110000529562/015 9/2006 NEGELE level relay ZNV-Z 24VDC 0.1-100KOhm NEGELE液位探头NVS-146/200 200MM订货号110000...