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GASSMANN VITAL OLIVIER
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GASSMANN VITAL OLIVIER
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Publication of ES248827A1publicationCriticalpatent/ES248827A1/en
Improvements in radio receivers, characterized in that the constituent organs are housed in a flat and foldable box, which acts as a sounding board when it is open in order to amplify the received sounds, and which has a specially reduced volume, in its position of creased. (Machine-translation by Google Translate, not legally binding)
ES0248827A1958-04-211959-04-20Improvements in radio receivers (Machine-translation by Google Translate, not legally binding)
ExpiredES248827A1
(en)