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US2364393A
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Gearless variable speed transmission
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US2324242A
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Machine for cutting gear teeth
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US2158157A
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Differential mechanism
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US2178613A
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Differential mechanism
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US2085770A
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Gearless variable speed transmission
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US1777702A
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Differential mechanism
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US1716565A
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Differential mechanism
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US1626120A
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Differential
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US1499480A
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Differential mechanism
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US1449352A
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Gearless planetary transmission
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US1449351A
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Steering gear
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US1355170A
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Gearless differential power transmission
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US1388069A
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Gearless differential power-transmission
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CA192738A
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Differential mechanism
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US1278231A
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Differential mechanism.
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CA377778A
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Gearless variable speed transmission
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CA435424A
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Gearless variable speed transmission
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CA249809A
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Differential mechanism
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CA394505A
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Differential mechanism
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CA245375A
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Differential mechanism
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