Home / Standards / GB/T 4597-2012 GB/T 4597-2012 Active Vocabulary of electronic tubes 电子管词汇 Standard Type GBT ICS 31.100 CCS L35 Status 现行 Issue Date 2012-11-05 Implementation 2013-02-15 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A