Home / Standards / GB/T 3180-1982 GB/T 3180-1982 Abolished Specification for medium manganese wear-resistant spheroidal iron castings 中锰抗磨球墨铸铁件技术条件 Standard Type GBT ICS 77.140.80 CCS J31 Status 废止 Issue Date 1982-09-01 Implementation 1983-07-01 Responsible Dept 国家标准委 Drafting Unit N/A