Home / Standards / GB/T 20642-2006 GB/T 20642-2006 Active Impulse puncture test in air on insulators for overhead lines 高压线路绝缘子空气中冲击击穿试验 Standard Type GBT ICS 29.080.10 CCS K48 Status 现行 Issue Date 2006-11-08 Implementation 2007-05-01 Responsible Dept 中国电器工业协会 Drafting Unit 中国电器工业协会