China Protection types of GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 30790.4-2014 Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 4: Types of surface and surface preparation 色漆和清漆防护涂料体系对钢结构的防腐蚀保护第4部分：表面类型和表面处理 - 英文版
	GB/T 19607-2004 Protection types of specific environmental condition and their symbols 特殊环境条件防护类型及代号 - 英文版

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