China Steel buttwelding pi GB Standards Search Result |
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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 12459-2017 Steel buttwelding pipe fittings—Types and parameter 钢制对焊管件 类型与参数 - 中英文版 |
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GB/T 13401-2017 Steel buttwelding pipe fittings—Technical specification 钢制对焊管件 技术规范 - 中英文版 |
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