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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
B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
B63C7/06—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in or adjacent to vessels or objects
B63C7/12—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in or adjacent to vessels or objects by bringing air or floating bodies or material into vessels or objects
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FR588612D1923-12-071924-09-06Système de relevage et de sauvetage de corps ou d'objets, en particulier de navires, d'après le procédé par congélation
ExpiredFR588612A
(fr)
Improvements in or relating to devices for ascertaining the direction and/ or distance stationary or moving bodies, vehicles for transport by land or water
Verfahren zur herstellung von loeslichen kondensationsprodukten, die nach dem neutralisieren mit wasser verduennt werden koennen und freie carboxylgruppen enthalten.
Improvements in or relating to devices for ascertaining the direction and/ or distance stationary or moving bodies, vehicles for transport by land or water