Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63H
MARINE PROPULSION OR STEERING
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16/00
Marine propulsion by muscle power
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B63H16/08
Other apparatus for converting muscle power into propulsive effort
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B63H16/12
using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
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B63H16/14
for propelled drive
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