Home / Standards / GB/T 7196-2012 GB/T 7196-2012 Active Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids 用液体萃取测定电气绝缘材料离子杂质的试验方法 Standard Type GBT ICS 29.035.99 CCS K15 Status 现行 Issue Date 2012-12-31 Implementation 2013-06-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A