|
IE18632L
|
|
Fluid tight joints
|
|
GB654341A
|
|
Fluid-tight coupling for pipes
|
|
DE858344C
|
|
Pipe connection with sealing strips made of rubber
|
|
US2558050A
|
|
Fluid tight joint
|
|
GB643766A
|
|
Improvements in or relating to fluid-tight joints
|
|
IE17327L
|
|
Pipe joints
|
|
IE17500L
|
|
Reinforced concrete pipes
|
|
IE17490L
|
|
Reinforced concrete pipes etc.
|
|
US2571578A
|
|
Hollow article of concrete and the like
|
|
IE17487L
|
|
Coiling wire on tubes
|
|
GB602834A
|
|
Method for reinforcing the ends of hollow articles of reinforced concrete
|
|
GB603122A
|
|
Machine for coiling wire on concrete and other tubes
|
|
GB608619A
|
|
Improvements in or relating to reinforced concrete pipes and joints therefor
|
|
GB599533A
|
|
Improvements in or relating to flexible joints for pipes
|
|
DE859269C
|
|
Method for the final reinforcement of hollow bodies made of reinforced concrete or the like.
|
|
DE849068C
|
|
Connection for reinforced concrete pipes
|
|
DE857022C
|
|
Pipe wrapping machine
|
|
CA446178A
|
|
Machine for hooping tubes
|
|
CA481415A
|
|
Hollow articles of concrete and the like
|
|
CA497644A
|
|
Fluid tight joints
|
