Home / Standards / GB/T 21711.7-2018 GB/T 21711.7-2018 Active Electromechanical elementary relays—Part 7:Test and measurement procedures 基础机电继电器 第7部分:试验和测量程序 Standard Type GBT ICS 29.120.70;31.220.99 CCS L25 Status 现行 Issue Date 2018-06-07 Implementation 2019-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A