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Individual
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Individual
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Priority to ES0208713ApriorityCriticalpatent/ES208713A1/en
Publication of ES208713A1publicationCriticalpatent/ES208713A1/en
An apparatus for compressed air to regulate respiration characterized by the existence of a valve inside the terminal nozzle of the conduit tube consisting of a rod shaft carrying a circular shield on whose ribbed spine the friction acts the edges of two levers that are tightened with the teeth by the swimmer determine their rise or fall inside a guide whose mouth is blocked or leaves the air passage free. (Machine-translation by Google Translate, not legally binding)
ES0208713A1953-04-101953-04-10A compressed air device to regulate breathing (Machine-translation by Google Translate, not legally binding)
ExpiredES208713A1
(en)
A commutable device for supplying narcotic gas or breathing gas from a device selected from a plurality of devices connected with it (Machine-translation by Google Translate, not legally binding)