|
US4430052A
|
|
Belling mandrel assembly
|
|
US4040651A
|
|
Self-locking pipe coupling
|
|
US3986810A
|
|
Method and apparatus for shaping a normally rigid plastic pipe
|
|
US3923952A
|
|
Method for shaping a normally rigid plastic pipe
|
|
DE1907387B1
|
|
Extrusion head for the production of a plastic pipe consisting of two concentric layers
|
|
GB1188907A
|
|
Extrusion Apparatus.
|
|
GB907501A
|
|
Irradiation of plastics
|
|
DE1148376B
|
|
Extrusion head for the production of plastic pipes
|
|
US3215613A
|
|
Anode assembly
|
|
GB879333A
|
|
Synthetic resin plastic pipe
|
|
US3102303A
|
|
Apparatus for irradiation of plastics
|
|
US2859476A
|
|
Extrusion apparatus
|
|
CA698464A
|
|
Irradiation of plastics
|
|
CA722310A
|
|
Methods and apparatus for safeguarding electrical connections
|
|
CA841505A
|
|
Extrusion apparatus
|
|
CA682758A
|
|
Plastic pipe
|
