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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
B63C9/00—Life-saving in water
B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
B63C9/04—Life-rafts
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Engineering & Computer Science
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Ocean & Marine Engineering
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FR565112D1923-04-141923-04-14Perfectionnements aux radeaux de sauvetage
ExpiredFR565112A
(fr)