| 1. | Unplasticized polyvnyl chloride fitting for water supply 给水用硬聚氯乙烯管件 |
| 2. | Unplasticized polyvinyl chloride pipe for water supply 给水用硬聚氯乙烯pvc - u管材 |
| 3. | Unplasticized polyvinyl chloride fittings for chemical industry 化工用硬聚氯乙烯管件 |
| 4. | Fire stopping collar of pvc - u pipe for building drainage 硬聚氯乙烯建筑排水管道阻火圈 |
| 5. | Unplastisized polyvinyl chloride pipes for drainage in buildings 建筑排水用硬聚氯乙烯管材 |
| 6. | Type eb and a rigid pvc conduit and hdpe conduit Eb型和a型硬聚氯乙烯导管及高密度聚乙烯导管 |
| 7. | Pvc standard for safety for schedule 40 and 80 rigid pvc conduit 管壁厚度40和80的硬聚氯乙烯 |
| 8. | Unplasticized polyvinyl chloride fittings for drainage in buildings 建筑排水用硬聚氯乙烯管件 |
| 9. | Studies on viscoplastic crack growth for rigid pvc using the t integral 积分研究硬聚氯乙烯粘塑性裂纹扩展 |
| 10. | Technical specification of buried pvc - u pipeline for sewer engineering 埋地硬聚氯乙烯排水管道工程技术规程 |