4. Marine propulsion
  5. Operator powered drive for propelling means
  6. Rotary cranking arm

Oi C. Yun

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Amphibian bicycle

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
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Amphibian bicycle

Marine propulsion – Powered from land vehicle supported by vessel
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Profile ID: LFUS-PAI-P-600985

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