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B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62D—MOTOR VEHICLES; TRAILERS
B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
B62D57/04—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track having other than ground-engaging propulsion means, e.g. having propellers
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FR443606A1911-05-231912-05-09Dispositif utilisant la résistance de l'air à la marche des véhicules tels qu'automobiles, etc.
ExpiredFR443606A
(fr)