Home / Standards / GB/T 20566-2006 GB/T 20566-2006 Active Terminology of steel and alloy 钢及合金术语 Standard Type GBT ICS 77.140.01 CCS H40 Status 现行 Issue Date 2006-11-01 Implementation 2007-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会