GB/T 19471.2-2004塑料管道系统  硬聚氯乙烯(PVC-U)管材弹性密封圈式承口接头 负压密封试验方法Plastics piping systems—Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride)(PVC-U) for use with PVC-U pipes-Test method for leaktightness under negative pressure GB/T 19471.2-2004塑料管道系统  硬聚氯乙烯(PVC-U)管材弹性密封圈式承口接头 负压密封试验方法Plastics piping systems—Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride)(PVC-U) for use with PVC-U pipes-Test method for leaktightness under negative pressure

GB/T 19471.2-2004塑料管道系统 硬聚氯乙烯(PVC-U)管材弹性密封圈式承口接头 负压密封试验方法Plastics piping systems—Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride)(PVC-U) for use with PVC-U pipes-Test method for leaktightness under negative pressure

  • raybet雷电竞电竞app下载地址 类别:[GB] 国家raybet雷电竞电竞app下载地址
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  • raybet雷电竞电竞app下载地址 编号:GB/T 19471.2-2004
  • raybet雷电竞电竞app下载地址 状态:现行
  • 更新时间:2022-10-12
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