Home / Standards / GB/T 11351-1989 GB/T 11351-1989 Abolished Mass tolerances for castings 铸件重量公差 Standard Type GBT ICS 77.140.80 CCS J31 Status 废止 Issue Date 1989-05-06 Implementation 1990-01-01 Responsible Dept 国家标准委 Drafting Unit N/A