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B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63H—MARINE PROPULSION OR STEERING
B63H16/00—Marine propulsion by muscle power
B63H16/08—Other apparatus for converting muscle power into propulsive effort
B63H16/10—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing
B63H16/102—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing by using an inverting mechanism between the handgrip and the blade, e.g. a toothed transmission
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FR462531D1913-09-131913-09-13Dispositif pour ramer avec le visage tourné dans le sens de la marche
ExpiredFR462531A
(fr)