金属及其他无机覆盖层 锌、镉、铝-锌合金和锌-铝合金的铬酸盐转化膜 试验方法
Metallic and other inorganic coatings—Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys—Test methods
标准状态
发布于：2025-10-31
实施于：2026-05-01
废止
Metallic and other inorganic coatings—Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys—Test methods