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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
B63C7/20—Apparatus engaging vessels or objects using grabs
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Ocean & Marine Engineering
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FR672265D1928-06-301929-03-29Appareil pour le repérage et le renflouement de sous-marins et autres bateaux coulés
ExpiredFR672265A
(fr)