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GB286213A
|
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An improved process and apparatus for welding plates
|
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GB278300A
|
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Improvements in or relating to piston constructions for tandem compound compressors
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GB277935A
|
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Improvements in or relating to internal combustion engines
|
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GB273211A
|
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Improvements in or relating to cooling devices for the fuel injection nozzles of internal combustion engines
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DE451994C
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Internal combustion engine that is operated either with light oil or heavy oil
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GB240418A
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Improvements in or relating to two-stroke cycle heavy oil internal combustion engines
|
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GB215329A
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An improved method and apparatus for use in electric resistance welding, sheet metal articles and the like
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