| 1. | Fire stopping collar of pvc - u pipe for building drainage 硬聚氯乙烯建筑排水管道阻火圈 |
| 2. | Pvc - u pipes and fittings for water supply Pvc - u给水管及管件 |
| 3. | Technical specification for pvc - u pipe work for water sewerage of buildings 建筑排水硬聚氯乙烯管道工程技术规程 |
| 4. | Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure 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 |
| 5. | Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure 塑料管道系统.与未增塑聚氯乙烯管一起使用的未增塑聚氯乙烯弹性密封环式套筒接头.负压下的密封性试验方法 |
| 6. | Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure 塑料管道系统.与未增塑聚氯乙烯管件一起使用的未增塑聚氯乙烯合成橡胶密封圈式承窝接头.负压下防泄漏试验法 |