Home / Standards / GB/T 31237-2014 GB/T 31237-2014 Active Inspection specification for 1000kV power system protection relay and automation device 1000kV系统继电保护装置及安全自动装置检测技术规范 Standard Type GBT ICS 29.240.10 CCS K45 Status 现行 Issue Date 2014-09-30 Implementation 2015-04-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A