Home / Standards / GB/T 7268-1987 GB/T 7268-1987 Abolished Series of basic dimensions of subracks and associated panels of plugin units for control and protective equipment of secondary circuit of power system 电力系统二次回路控制、保护装置用插箱及插件面板基本尺寸系列 Standard Type GBT ICS 29.020 CCS K05 Status 废止 Issue Date 1987-02-14 Implementation 1987-12-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A