Pipe joint assemblies and fittings for high-density polyethylene (HDPE) pressure pipes; pipe couplings; dimensions
高密度聚乙烯（HDPE）压力管道的管接头组件和配件；管接头；尺寸

1987-06-01

Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Pipe Bends of Segmental Construction for Butt-welding, Dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头和元件；对焊用分段结构弯管.尺寸

1980-08-01

Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Injection Moulded Elbows for Socket-welding, Dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头和元件；承插焊接用注射成型弯头.尺寸

1980-08-01

Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Injection Moulded Tee Pieces for Socket-welding, Dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头和元件；承插焊接用注射成型三通件.尺寸

1980-08-01

Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Injection Moulded Sockets and Caps for Socket-welding, Dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头和元件；承插焊接用注射成型承插和盖.尺寸

1980-08-01

Pipe Joints and Elements for High Pressure Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Turned and Pressed Reducing Sockets for Butt-welding, Dimensions
1型和2型高压聚乙烯（HDPE）压力管道的管接头和元件；对焊用旋压异径套筒.尺寸

1980-08-01

Pipe joint assemblies and fittings for high-density polyethylene (PE-HD) pressure pipes; adaptors for fusion jointing, flanges and sealing elements; dimensions
高密度聚乙烯（PE-HD）压力管道的管接头组件和配件；熔焊接头、法兰和密封件的适配器；尺寸

1988-11-01

Pipe joint assemblies and fittings for types 1 and 2 high-density polyethylene (HDPE) pressure pipes; injection moulded reducers and nipples for socket welding; dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头组件和配件；承插焊接用注射成型异径管和接头；尺寸

1983-06-01

Pipe joint assemblies and fittings for types 1 and 2 high-density polyethylene (HDPE) pressure pipes; tees and branches produced by segment inserts and necking for butt welding; dimensions
1型和2型高密度聚乙烯（HDPE）压力管道的管接头组件和配件；对焊用分段插入件和颈缩产生的三通和支管；尺寸

1983-02-01

Pipe joint assemblies and fittings for high-density polyethylene (PE-HD) pressure pipes; fittings for resistance welding; dimensions
高密度聚乙烯（PE-HD）压力管道的管接头组件和配件；电阻焊配件；尺寸

1989-10-01

Pipe joint assemblies and fittings for high-density polyethylene (PE-HD) pressure pipes; injection-moulded fittings for butt welding; dimensions
高密度聚乙烯（PE-HD）压力管道的管接头组件和配件；对焊用注塑配件；尺寸

1989-10-01