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2013
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Invention
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Device for driving a common shaft by pushing and pulling hand movements, especially for three-whe... |
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2011
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Invention
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Wheel hub arrangement for a wheel drive by an alternating symmetric drive system using a flexible... |
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Invention
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Wheel hub arrangement for a wheel driven by an alternating symmetric drive system using a flexibl... |
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2010
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G/S
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Helmets; crash helmets. Vehicles for land use; apparatus for locomotion by land; bicycles; tricyc... |
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G/S
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Vehicles for land use; apparatus for locomotion by land; bicycles; tricycles; scooters; other veh... |
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Invention
|
Alternating drive, primarily for bicycles and similar driven vehicles. Alternating drive primaril... |
