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Publication of FR709172ApublicationCriticalpatent/FR709172A/fr
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
B63C7/16—Apparatus engaging vessels or objects
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Ocean & Marine Engineering
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FR709172D1931-01-121931-01-12Dispositif pour renflouer les sous-marins naufragés
ExpiredFR709172A
(fr)