Home / Standards / GB/T 3927-2008 GB/T 3927-2008 Active Direct-current potentiometers 直流电位差计 Standard Type GBT ICS 17.220.20 CCS N25 Status 现行 Issue Date 2008-08-06 Implementation 2009-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A