US3535986A
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Light metal piston with skirt diameter controlling inserts and casting thereof
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US3512791A
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Light metal piston with piston ring groove armoring means
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US3217552A
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Timing drive
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US3205832A
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Hydraulic pump
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US3118712A
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Piston with reinforced piston ring grooves
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US3056392A
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Internal combustion engines
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US3007755A
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Piston
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US3023061A
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Piston head structure
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US2978284A
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Piston head structure
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US2996342A
|
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Piston head structure
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US2956847A
|
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Piston head structure
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US2996341A
|
|
Piston head structure
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US2809079A
|
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Piston head structure
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US2776176A
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Piston groove structure
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GB769528A
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Improvements in and relating to piston structure
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GB769529A
|
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Improvements in and relating to the manufacture of pistons
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US2585540A
|
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Valve cooling
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US2650578A
|
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Air cooling for internal-combustion engines
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US2688839A
|
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Internal-combustion engine with auxiliary exhaust turbine
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US2413957A
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Internal-combustion engine
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