China Jewelry and precious GB Standards Search Result |
1. Ready translated GB standards 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
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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 19720-2024 Jewelry and precious metals - Determination of palladium content - dimethylglyoxime gravimetric method - 英文版 |
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GB/T 20478-2024 Jewelry and precious metals - Determination of platinum and palladium content - Ammonium chloride gravimetric method and dimethylglyoxime gravimetric method - 英文版 |
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GB/T 43569-2023 Jewelry and precious Metals Sampling of Precious Metals and Their Alloys - 英文版 |
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GB/T 36128-2018 Regulation of mass measurement permissible errors for Jewelry and precious metal products - 英文版 |
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