Home / Standards / GB/T 8545-1987 GB/T 8545-1987 Abolished Die forgings of aluminium and aluminium alloy--Dimensional tolerance and machining allowance 铝及铝合金模锻件的尺寸偏差及加工余量 Standard Type GBT ICS 77.120.10 CCS H61 Status 废止 Issue Date 1987-12-30 Implementation 1988-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A