| 1. | The pipes and fittings lined with metal meshed - ptfe 金属网聚四氟乙烯复合管与管件 |
| 2. | Cast iron drainage pipes and fittings without sockets 无承口的铸铁排水管和管件 |
| 3. | Plastics pipes and fittings - determination of opacity 塑料管道系统.不透明性测定 |
| 4. | Metal products including tubes , pipes and fittings 金属品(包括喉管及配件) |
| 5. | Polyethylene pipes and fittings - determination ofmelt flow rate 熔体流动速率试验方法 |
| 6. | Metal products including tubes , pipes and fittings 金属品(包括喉管及配件) |
| 7. | Cast iron pipes and fittings with flexible joint sewerage 排水用柔性接口铸铁管及管件 |
| 8. | Standard specification for high - silicon iron pipe and fittings 高硅铁管和配件标准规范 |
| 9. | Standard specification for cast iron soil pipe and fittings 铸铁污水管和配件的标准规范 |
| 10. | Cast iron pipes and fittings with flexible joint for semerage 排水用柔性接口铸铁管及管件 |