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GB/T 19720-2024 Chinese PDF (GB/T19720-2024)GB T 19720 2024_Chinese: Jewellery and precious metals Determination of platinum and palladium Gravimetry using ammonium chloride and dimethylglyoxime (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19720 2024
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GB/T 19720-2024 Chinese PDF (GB/T19720-2024)
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66263555385
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