通用阀门 球墨铸铁件技术条件
General purpose industrial valve-Specification of spheroidal graphite iron castings

2005-07-11

烟草机械　通用技术条件　第5部分：球墨铸铁件
Tobacco machinery—General requirements—Part 5:Spheroidal graphite iron castings

2018-04-03

风能发电系统 风力发电机组球墨铸铁件
Wind energy generation systems —Spheroidal graphite cast iron for wind turbines

2024-04-25

Rough castings of grey cast iron - General tolerances and machining allowances (For replacement purposes only)
灰铸铁粗铸件.一般公差和加工余量；不适合新设计

1998-08-01

Rough castings of malleable iron - General tolerances and machining allowances (For replacement purposes only)
可锻铸铁的钢铸件.一般公差和加工余量；不适合新设计

1998-08-01