Home / Standards / GB/T 30067-2013 GB/T 30067-2013 Active Standard terminology relating to metallography 金相学术语 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2013-12-17 Implementation 2014-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A