China Thermoplastic pipewo GB Standards Search Result |
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1. Ready translated GB standards ![]() 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 39997-2021 Thermoplastic pipework for underground installation at petrol filling stations 加油站埋地用热塑性塑料复合管道系统 - 英文版 |
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