Home / Standards / GBT 10230.1-2019 GBT 10230.1-2019 Tap-changer — Part 1: Performance requirements and test methods 分接开关 第1部分:性能要求和试验方法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A