Home / Standards / GB/T 2900.64-2013 GB/T 2900.64-2013 Active Electrotechnical terminology―Time relays 电工术语 时间继电器 Standard Type GBT ICS 01.040.29 CCS K04 Status 现行 Issue Date 2013-12-17 Implementation 2014-04-09 Responsible Dept 国家标准委 Drafting Unit N/A