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Priority to NL6507651ApriorityCriticalpatent/NL6507651A/xx
Publication of NL6507651ApublicationCriticalpatent/NL6507651A/xx
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
B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
B63C11/02—Divers' equipment
B63C11/18—Air supply
B63C11/20—Air supply from water surface
B63C11/205—Air supply from water surface with air supply by suction from diver, e.g. snorkels
B63C11/207—Air supply from water surface with air supply by suction from diver, e.g. snorkels with hoses connected to a float