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DE521921C
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Internal combustion engine
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GB315734A
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A piston for internal combustion engines
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GB315684A
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Device for prevention of detonation in internal combustion engines
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Cylinder of an internal combustion engine
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Improved arrangement for operating four stroke internal combustion engines
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GB306322A
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Cooling device for the cylinders and pistons of internal combustion engines
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GB309739A
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Apparatus for indicating whether suction quantity in an internal combustion engine is correct or not
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US1825959A
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Operating system of internal combustion engines
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US1770237A
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Cooling device for internal-combustion engines
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US1693520A
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Cylinder of an internal-combustion engine
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US1803260A
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Apparatus for indicating whether suction quantity in an internal-combustion engine is proper
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