Home / Standards / GB/T 15022.4-2009 GB/T 15022.4-2009 Active Resin based reactive compounds used for electrical insulation - Part 4: Unsaturated polyester based impregnating resins 电气绝缘用树脂基活性复合物 第4部分：不饱和聚酯为基的浸渍树脂 Standard Type GBT ICS 29.035.01 CCS K15 Status 现行 Issue Date 2009-06-10 Implementation 2009-12-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A