China Steel castings by sa 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 39428-2020 Steel castings by sand casting—Visual examination method of surface quality 砂型铸钢件表面质量目视检测方法 - 英文版

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