标题: ASTM B 498B 498M-2008 Standard Specification for Zinc-Coated (Galvanized) Steel [打印本页] 作者: alldoing1 时间: 2018-5-18 11:44:55 标题: ASTM B 498B 498M-2008 Standard Specification for Zinc-Coated (Galvanized) Steel
ASTM B 498B 498M-2008 Standard Specification for Zinc-Coated (Galvanized) Steel Core Wire for Use in Overhead Electrical Conductors 作者: admin 时间: 2018-5-18 11:47:39