Home / Standards / GB/T 21711.1-2008 GB/T 21711.1-2008 Abolished Electromechanical elementary relays - Part 1: General and safety requirements 基础机电继电器 第1部分:总则与安全要求 Standard Type GBT ICS 31.220.99;29.120.70 CCS L25 Status 废止 Issue Date 2008-04-11 Implementation 2008-09-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A