|
GB951755A
|
|
Improvements in pipe couplings
|
|
GB898955A
|
|
Improvements in pipe couplings
|
|
GB880830A
|
|
Improvements in liquid-fuel supply systems
|
|
GB806489A
|
|
Improvements in fluid-tight pipe joints
|
|
US2821411A
|
|
Pipe couplings
|
|
GB810835A
|
|
Improvements in relief valves
|
|
GB803948A
|
|
Improvements in pipe couplings
|
|
GB823924A
|
|
Improvements in control valves for hydraulic systems
|
|
GB784860A
|
|
Improvements in or relating to detachable pipe couplings
|
|
IE21973L
|
|
Fluid container flow coupling
|
|
GB798742A
|
|
Improvements in metal pipe bending machines
|
|
GB778845A
|
|
Improvements in fluid containers
|
|
GB736222A
|
|
A new or improved automatically operable by-pass valve
|
|
GB727239A
|
|
A new or improved fluid-flow reversing device
|
|
CA651669A
|
|
Valved pipe couplings
|
