China Shaped and round sea 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 30829-2014 Shaped and round seamless steel tubes for oil derrick 石油井架用异型及圆形无缝钢管 - 英文版 |
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GB/T 25822-2010 Shaped and round seamless steel tubes for axle 车轴用异型及圆形无缝钢管 - 英文版 |
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