Home / Standards / GB/T 13925-2010 GB/T 13925-2010 Abolished Metallographs for high manganese cast steel 铸造高锰钢金相 Standard Type GBT ICS 77.040.01 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