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GB947499A
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Improvements in or relating to arrangements for increasing the flow of fluids through orifices, and the like outlets from which fluid is discharged
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GB922715A
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A device for increasing the flow of fluids through pipes, conduits, channels and the like
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GB831114A
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Arrangements for increasing the flow of fluids through orifices, pipes, conduits and apparatus
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GB640682A
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Improvements in metering valves
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GB663713A
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Improvements in or relating to valves
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GB425541A
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Improvements in or relating to valves
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GB421484A
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Improvements in or relating to valves
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GB419737A
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Improvements in or relating to valves
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GB415072A
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Improvements in or relating to valves
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GB401667A
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Improvements in or relating to valves
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GB391883A
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Improvements in or relating to valves
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GB391483A
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Improvements in or relating to valves
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GB391438A
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Improvements in or relating to valves
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GB367489A
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Improvements in valves, taps and the like
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GB349986A
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Improvements in piston valves
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GB332596A
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Improvements in, or relating to, gland sealing devices
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GB312615A
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Improvements in or relating to devices for automatic transfer of attachment or coupling between relatively moveable members
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GB311797A
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Improvements in and relating to valves
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GB313860A
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Improvements in, and relating to, valves
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GB303770A
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Improvements in, and relating to, valves for steam or other fluids and liquids
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