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Individual
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Individual
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Priority to ES0059311UpriorityCriticalpatent/ES59311U/en
Publication of ES59311UpublicationCriticalpatent/ES59311U/en
Improved film provided with sound recording and/or advertising means, characterized by being constituted by a surface of cardboard, cardboard or other suitable material, provided on one of its faces, precisely the one corresponding to the front, of a light film of transparent plastic material , which, while allowing to distinguish with absolute clarity the text or stamping disposed in said face, provides a suitable base for making a sound recording, whether musical, spoken or of any other sound, having provided a small drill or perforation in the center of the sheet, in order to allow the placement of the same in a record-player apparatus in order to obtain the reproduction of the sound recording of which it is endowed. (Machine-translation by Google Translate, not legally binding)
ES0059311U1957-03-301957-03-30
Improved sheet provided with sound recording and / or advertising media
PendingES59311U
(en)
Magnetophonic device for seeing inscriptions and simultaneously hearing the corresponding sounds (Machine-translation by Google Translate, not legally binding)