金属覆盖层 镍+铬和铜+镍+铬电沉积层
Metallic coatings--Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium
标准状态
发布于:1997-06-27
实施于:1998-01-01
已废止
Metallic coatings--Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium