China Jewelry Gold Alloy C 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 43589-2023 Gold alloy jewelry, multi-element content determination, laser ablation-inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 43447-2023 Jewelry Gold Alloy Colors Definitions, Color Ranges and Nomenclature - 英文版 |
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