Home / Standards / GB/T 27743 GB/T 27743 Active Inspection method for transformer of special equipment 变压器专用设备检测方法 Standard Type GBT ICS 29.100.01 CCS K97 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit 中国电器工业协会