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Drive system for bicycles and other apparatus
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Drive axle with pump managed oil flow
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(en)
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Automatic transmission shifter for bicycles
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一种中空型齿轮传动减速装置
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Wheel drive unit
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Two directional multi-speed shifting gear of middle axle
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(ja)
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デフケース
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Multiple speed driving wheel for pedal powered vehicles
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Hoppvalsanordning
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Bicycle transmission
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Steppless change-speed gear
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(cg-RX-API-DMAC7.html)
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Change-speed and back-pedaling brake mechanism for cycles.
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Improvements relating to planetary gearing
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一种新型自行车内变速花鼓
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一种新型自行车内变速花鼓
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Bicycle |
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一种自行车双向驱动装置
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車両用動力伝達装置
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(en)
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Modular bearing unit
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Variable-ratio transmission device
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潤滑油路構造
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Variable speed pulley
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