Home / Standards / GB/T 311.2-2013 GB/T 311.2-2013 Active Insulation co-ordination - Part 2: Application guide 绝缘配合 第2部分：使用导则 Standard Type GBT ICS 29.080.30 CCS K40 Status 现行 Issue Date 2012-12-11 Implementation 2013-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A