China Designation and chem GB Standards Search Result |
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1. Ready translated GB standards ![]() 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 . |
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GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys - 英文版 |
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GB/T 5235-2021 Designation and chemical composition of wrought nickel and nickel alloy - 英文版 |
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GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys - 英文版 |
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GB/T 13911-2008 Designation for metallic coating and chemical treatment - 英文版 |
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GB/T 20878-2007 Stainless and heat-resisting steels - Designation and chemical composition - 英文版 |
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