Home / Standards / GB/T 3334-1999 GB/T 3334-1999 Active Method of test for dissipation factor (tgδ) of cable paper at power frequence (Schering bridge method) 电缆纸介质损耗角正切(tgδ)试验方法(电桥法) Standard Type GBT ICS 85.060 CCS Y32 Status 现行 Issue Date 1999-08-12 Implementation 2000-02-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会