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GB841874A
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Improved binders for foundrywork
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GB841873A
|
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Method of manufacturing jointless shell moulds for investment casting
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GB823884A
|
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Method of manufacturing investment casting shell moulds
|
|
GB617042A
|
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Improvements in or relating to rotary compressors
|
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GB611465A
|
|
Improvements in or relating to rotary compressors
|
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US2382717A
|
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Cooling system
|
|
US2382716A
|
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Compressor
|
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US2405694A
|
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Defense system
|
|
US2389309A
|
|
Process for regenerating exhaled air
|
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GB553004A
|
|
Process and apparatus for regenerating exhaled air
|
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GB548550A
|
|
Improvements in apparatus for training and firing guns
|
|
GB539230A
|
|
Improvements in or relating to air or gas compressors
|
|
US2236853A
|
|
Compressor
|
|
US2204308A
|
|
Gas operated starting mechanism
|
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GB515488A
|
|
Improvements in or relating to apparatus for generating gases under pressure for usein the operation of mechanism
|
|
GB517371A
|
|
Improvements in and relating to air or gas compressors
|
|
GB506675A
|
|
Improvements relating to explosive cartridges for the starting of internal combustion engines or other analogous purposes
|
|
US2079014A
|
|
Engine starting device
|
|
US2082054A
|
|
Pipe joint
|
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GB427665A
|
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Improvements in and relating to pipe joints or couplings
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