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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
B63C9/06—Floatable closed containers with accommodation for one or more persons inside
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Ocean & Marine Engineering
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FR394262D1908-09-141908-09-14
Lifebuoy that can also be used for communications at sea or with the shore
ExpiredFR394262A
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