Home / Standards / GB/T 9434-1988 GB/T 9434-1988 Active Methods of measurement of gas discharge tubes for overvoltage protection 过电压保护气体放电管测试方法 Standard Type GBT ICS 31.100 CCS L39 Status 现行 Issue Date 1988-06-23 Implementation 1989-02-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A