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GB301677A
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Improvements in two-stroke internal-combustion engines
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US1468176A
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Process and means for the stepwise variation of the output of multicylinder plunger pumps
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GB190945A
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An improved arrangement and means for the stepwise variation of the output of multi-cylinder plunger pumps and compressors
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US1469827A
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Connection for connecting rods of reciprocatory engines acting on a common crank
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US1508806A
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Pump with variable output and constant number of strokes
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GB152607A
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Connecting-rod for reciprocating engines having several cylinders
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GB152363A
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Pump with variable output and constant number of strokes
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