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US3242817A
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Straight or helical guide for use in shaping gears by means of circular cutters
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US3145779A
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Multi-engine main propulsion gearing arrangements
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US3102433A
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Gearing with double helical toothing
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US3011365A
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Planetary gearing with double helical gears
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US2982146A
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Gear-mechanism with a double helical gearing
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US3021731A
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Planetary gear transmission
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US2947198A
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Helicopter gearing
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US2926550A
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Marine propulsion plant
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US2844052A
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Load and tooth-pressure balancing means for parallel connected epicyclic gear sets
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US2757558A
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Epicyclic speed change and reversing gear
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US2722296A
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Hydraulically actuated clutch or brake
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US2725763A
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Epicyclic gears
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US2737064A
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Epicyclic control gear
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US2695697A
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Braking and coupling device actuated by a liquid under pressure or compressed air
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US2722302A
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Hydraulically actuated clutches and brakes
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US2648998A
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Planetary speed-reducing and reversing gear
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US2703021A
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Helical gear set
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CA535391A
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Epicyclic speed change and reversing gear
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