Home / Standards / GB/T 19212.20-2008 GB/T 19212.20-2008 Abolished Safety of power transformers, power supply units and similar - Part 20: Particular requirements for perturbation attenuation transformers 电力变压器、电源装置和类似产品的安全 第20部分:干扰衰减变压器的特殊要求 Standard Type GBT ICS 29.180 CCS K41 Status 废止 Issue Date 2008-03-24 Implementation 2009-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A