4. Transportation
  5. Cycle or motorcycle
  6. Element or attachment

Ysmael E. Romero

Inventor

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Bicycle crank bearing assembly

Bearings – Rotary bearing – Antifriction bearing
Patent

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Crank arm for a bicycle

Transportation – Cycle or motorcycle – Element or attachment
Patent

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Crank arm for a bicylce

Machine element or mechanism – Elements – Cranks and pedals
Patent

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Profile ID: LFUS-PAI-P-227502

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