Home / Standards / GB/T 5680-2010 GB/T 5680-2010 Abolished Austenitic manganese steel castings 奥氏体锰钢铸件 Standard Type GBT ICS 77.140.80 CCS J31 Status 废止 Issue Date 2010-12-23 Implementation 2011-06-01 Responsible Dept 国家标准委 Drafting Unit N/A