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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 41920-2022 Standards for evaluating the operation status of urban buses and trams 城市公共汽电车运行状况评价规范 - 英文版 |
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GB/T 50811-2012 Standard for the operation safety assessment of gas system 燃气系统运行安全评价标准 - 英文版 |
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