Thermoplastics valves - Pressure test methods and requirements - Part 2: test conditions and basic requirements for PE, PP, PVC-U and PVDF valves.
热塑性塑料阀门。压力试验方法和要求。第2部分：聚乙烯、聚丙烯、未增塑聚氯乙烯和聚偏氯乙烯阀门试验条件和。
Thermoplastics valves - Pressure test methods and requirements - Part 2: test conditions and basic requirements for PE, PP, PVC-U and PVDF valves.
热塑性塑料阀门。压力试验方法和要求。第2部分：聚乙烯、聚丙烯、未增塑聚氯乙烯和聚偏氯乙烯阀门试验条件和。
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