GB622411A
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Improvements relating to gas-turbine-engines
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GB619236A
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Improvements in or relating to centrifugal compressors
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GB620602A
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Improvements in rotary heat-exchangers
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GB619690A
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Improvements in or relating to blades and guide-blades for turbines, rotary compressors and the like
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GB589281A
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Improved means for damping torsional vibrations
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GB568575A
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Improvements in or relating to blades and guide blades for turbines, rotary compressors and the like
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GB578265A
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Improvements in or relating to sleeve-valve internal-combustion engines
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GB554166A
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Improvements in or relating to centrifugal pumps and compressors
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GB549457A
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Improvements in or relating to rotary pumps and compressors for fluids
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GB546038A
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Improvements in or relating to propulsion of aircraft
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GB545974A
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Improvements in or relating to multi-cylinder internal-combustion engines
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GB542653A
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Improvements in or relating to aircraft
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GB541035A
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Improvements in or relating to the port-formation of internal-combustion engines
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GB534231A
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Improvements in or relating to lubrication systems
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GB527553A
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Improvements in or relating to sleeve-valve driving mechanism for internal-combustion engines
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GB493063A
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Improvements in or relating to rotary hand tools
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GB492384A
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Improvements in air cooling means for the cylinder heads of sleeve valve internal combustion engines
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GB492044A
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Sparking plugs
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