China Guidance for utiliza 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 41042-2021 Guidance for utilization and classification of content of valuable elements in coal 煤中有价元素含量分级及应用导则 - 英文版 |
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GB/T 31392-2015 Technical guidance for the utilization of coal mine water 煤矿矿井水利用技术导则 - 英文版 |
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GB/T 29163-2012 Technical guidance for the utilization of gangue 煤矸石利用技术导则 - 英文版 |
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GB/T 28754-2012 Guidance for utilization of coal bed methane (coal mine gas) 煤层气（煤矿瓦斯）利用导则 - 英文版 |
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