Home / Standards / GB/T 7274-2015 GB/T 7274-2015 Active Methods for the measurement of direct inter-electrode capacitances of electronic tubes and valves 电子管极间电容测试方法 Standard Type GBT ICS 31.100 CCS L37 Status 现行 Issue Date 2015-09-11 Implementation 2016-05-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A