China 2-Naphthylamine-1，5- 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
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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 . |
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GB/T 21896-2019 2-Naphthylamine-1，5-disulfonic acid （sulphonic Tobias acid ） 2-萘胺-1，5-二磺酸（磺化吐氏酸） - 英文版 |
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GB/T 21896-2008 2-Naphthylamine-1，5-disulfonic acid （Sulphonic Tobias acid ） 2-萘胺-1，5-二磺酸（磺化吐氏酸） - 英文版 |
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