锤上钢质自由锻件机械加工余量与公差单拐曲轴类
Machining allowances and tolerances for steel open die forgings on hammer--Single throw crankshaft
标准状态
发布于:1995-12-14
实施于:1996-08-01
已废止
Machining allowances and tolerances for steel open die forgings on hammer--Single throw crankshaft