Home / Standards / GB/T 2900.64-2003 GB/T 2900.64-2003 Abolished Electrotechnical terminology--Time all-or-nothing relays 电工术语 有或无时间继电器 Standard Type GBT ICS 01.040.29 CCS K04 Status 废止 Issue Date 2003-01-17 Implementation 2003-06-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委