|
GB861245A
|
|
Improvements in and relating to gas conditioning devices
|
|
GB819574A
|
|
A new or improved gas-conditioning device
|
|
GB715383A
|
|
Improvements in or relating to valve-controlled conduits for fluids
|
|
DE966465C
|
|
Self-sealing two-part pipe coupling
|
|
DE832225C
|
|
Sealing device
|
|
GB689577A
|
|
Improvements in or relating to pipe couplings for shut-off valves
|
|
US2696993A
|
|
Valved pipe coupling
|
|
GB660657A
|
|
Improvements in sealing devices for mechanisms under fluid pressure
|
|
US2622398A
|
|
Hydraulic transmitter
|
|
US2471798A
|
|
Self-closing pipe coupling
|
|
US2448933A
|
|
Change-over mechanism for fluidflow systems
|
|
GB616836A
|
|
Improvements in pipe couplings for liquid supply systems
|
|
US2453389A
|
|
Self-sealing pipe coupling
|
|
GB630680A
|
|
Improvements in hydraulic transmission systems and transmitters for use therein
|
|
GB610652A
|
|
Improvements in self-closing pipe couplings
|
|
GB627015A
|
|
Improvements in selective coupling devices for fluid-flow conduits
|
|
GB616703A
|
|
Improvements in automatic valves for liquid pressure-transmission systems
|
|
US2476929A
|
|
Telescopic pipe joint or coupling
|
|
US2516811A
|
|
Packing device
|
|
GB594620A
|
|
Improvements in flexible metal pipes
|
