Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES61627ApriorityCriticalpatent/ES61627A1/es
Publication of ES61627A1publicationCriticalpatent/ES61627A1/es
ES61627A1916-01-311916-01-31Un aparato cine-gramofónico, aplicable a la enseñanza elemental que se denominará "Cinéfono de Gregorio".
ExpiredES61627A1
(es)