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Individual
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Priority to ES1982264344UpriorityCriticalpatent/ES264344Y/en
Publication of ES264344UpublicationCriticalpatent/ES264344U/en
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Publication of ES264344YpublicationCriticalpatent/ES264344Y/en
Underwater respiration device, characterized in that it consists essentially of a flexible tube provided at one end of a hermetically adjusted nozzle and in the vicinity of the other end of a float and a ring of heavy material so that the end part of the tube is out of the water although the rest of it is submerged, being able to be placed in the end that protrudes a valve that prevents the entry of water if the tube was accidentally submerged completely. (Machine-translation by Google Translate, not legally binding)
ES1982264344U1982-04-021982-04-02
"DEVICE FOR BREATHING UNDER WATER".
ExpiredES264344Y
(en)