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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
B—PERFORMING OPERATIONS; TRANSPORTING
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPINGÂ
B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
B63B2013/005—Sea chests
FR635780D1927-06-101927-06-10
Improvements in boat building
ExpiredFR635780A
(en)