B814资源列表

[国外标准] ASTM B814-06 镍铬铁钼钨合金(UNS N06920)板,薄板和带材的标准规范

[国外标准] ASTM B814-02 镍铬铁钼钨合金(UNS N06920)板,薄板和带材的标准规范