China The seamless copper 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 42512-2023 Copper alloy sheathed seamless coil 铜合金护套无缝盘管 - 英文版 |
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GB/T 19850-2013 The seamless copper tubes for electrical purposes 导电用无缝铜管 - 英文版 |
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