Metallic and other inorganic coatings. Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys. Test methods.
金属和其他有机镀层。锌，镉，铝-锌合金和锌-铝合金的铬酸盐转化镀层。试验方法。
Metallic and other inorganic coatings. Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys. Test methods.
金属和其他有机镀层。锌，镉，铝-锌合金和锌-铝合金的铬酸盐转化镀层。试验方法。
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