Standard reference radiographs for tin bronze castings 锡青铜铸件用参考射线照片
2.
Standard specification for steam or valve bronze castings 蒸气或阀门青铜铸件的标准规范
3.
Standard specification for bronze castings for bridges and turntables 桥梁和转车台用青铜铸件的标准规范
4.
Standard specification for bronze castings for steam locomotive wearing parts 蒸气机车易损部件用青铜铸件的标准规范
5.
The high - lead bronze castings made with new process of centrifugal casting , the technical standard and service life have reached the level of their counterparts abroad 采用离心铸造新工艺生产的高铅青铜铸件，其技术标准和使用年限均达到国外同种产品水平。
