Home / Standards / GB/T 6451-1999 GB/T 6451-1999 Abolished Specification and technical requirements for three-phase oil-immersed power transformers 三相油浸式电力变压器技术参数和要求 Standard Type GBT ICS 29.180 CCS K41 Status 废止 Issue Date 1999-10-10 Implementation 2000-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A