Home / Standards / GB/T 1175-1997 GB/T 1175-1997 Abolished Casting zinc alloys 铸造锌合金 Standard Type GBT ICS 77.150.60 CCS J31 Status 废止 Issue Date 1997-03-04 Implementation 1997-09-01 Responsible Dept 国家标准委 Drafting Unit N/A