Home / Standards / GB/T 28879-2012 GB/T 28879-2012 Abolished Nomenclature of model for electrotechnical instruments 电工仪器仪表产品型号编制方法 Standard Type GBT ICS 17.220.20 CCS N22 Status 废止 Issue Date 2012-11-05 Implementation 2013-02-15 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会