China Composite seamless s 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 . |
GB/T 31515-2015 Seamless polyethylene-aluminum coextruded composite tube 无缝铝塑共挤出复合软管 - 中英文版 |
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GB 28883-2012 Composite seamless steel tubes for pressure 承压用复合无缝钢管 - 中英文版 |
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