China Valves―Test method o 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 30832-2014 Valves―Test method of flow coefficient and flow resistance coefficient 阀门流量系数和流阻系数试验方法 - 中英文版

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