Home / Standards / GB/T 2900.7-1996 GB/T 2900.7-1996 Active Electrotechnical terminology--Electrical carbon 电工术语 电炭 Standard Type GBT ICS 29.020 CCS K04 Status 现行 Issue Date 1996-06-17 Implementation 1997-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委