Home / Standards / GB/T 2900.17-2009 GB/T 2900.17-2009 Abolished Electrotechnical terminology - Measuring relays 电工术语 量度继电器 Standard Type GBT ICS 01.040.29;29.120.70 CCS K04 Status 废止 Issue Date 2009-03-13 Implementation 2009-11-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委