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Individual
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Individual
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Priority to ES0242294ApriorityCriticalpatent/ES242294A3/en
Publication of ES242294A3publicationCriticalpatent/ES242294A3/en
Apparatus to help respiration, characterized by functioning by oxygen or adequate pressure air or after passing through a hand-operated device that is supplied at the appropriate pressure, directly connected to the source or by means of a tube. (Machine-translation by Google Translate, not legally binding)
ES0242294A1958-06-061958-06-06Apparatus to help breathing (Machine-translation by Google Translate, not legally binding)
ExpiredES242294A3
(en)