China 2-Naphthol GB Standards Search Result |
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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
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 . |
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GB/T 1646-2020 2-Naphthol - 英文版 |
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GB/T 6730.44-2017 Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method - 英文版 |
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GB/T 1652-2014 Naphthol AS - 英文版 |
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GB/T 1646-2012 2-Naphthol - 英文版 |
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GB/T 25782-2010 1-Naphthol - 英文版 |
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GB/T 23676-2009 Naphthol AS-BI - 英文版 |
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GB/T 23666-2009 1-Naphthol-5-sulfonic acid （L acid ） - 英文版 |
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