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B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
B63B5/00—Hulls characterised by their construction of non-metallic material
B63B5/14—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced
B63B5/18—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements
B63B5/20—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements in combination with elements of other materials
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FR971161D1948-08-201948-08-20Procédé de construction des embarcations et navires métalliques
ExpiredFR971161A
(fr)