China Chromate conversion GB Standards Search Result

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	GB/T 39495-2020 Metallic and other inorganic coatings—Chromate-free chemical conversion coatings on allumion and its alloys 金属及其他无机覆盖层铝及铝合金无铬化学转化膜 - 英文版
	GB/T 9791-2003 Chromate conversion coatings on zinc，cadmium，aluminium-zinc alloys and zinc-aluminium alloys--Test methods 锌、镉、铝-锌合金和锌-铝合金的铬酸盐转化膜试验方法 - 英文版
	GB/T 9800-1988 Chromate conversion coatings on electroplated zinc and cadmium coatings 电镀锌和电镀镉层的铬酸盐转化膜 - 英文版

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