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B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63H—MARINE PROPULSION OR STEERING
B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
B63H5/18—Arrangements on vessels of propulsion elements directly acting on water of propellers of emergency propellers, e.g. arranged at the side of the vessel
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FR629865D1927-02-251927-02-25Dispositif de propulsion auxiliaire pour bateaux permettant de retirer l'hélice de l'eau
ExpiredFR629865A
(fr)
Dispositif pour le lancement d'hydravions ou autres véhicules flottant sur l'eau à partir de navires ou le hissage de ces véhicules à bord des navires