Home / Standards / GB/T 9437-2009 GB/T 9437-2009 Active Heat resistant iron castings 耐热铸铁件 Standard Type GBT ICS 77.140.80 CCS J31 Status 现行 Issue Date 2009-04-01 Implementation 2009-12-01 Responsible Dept 国家标准委 Drafting Unit N/A