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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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES201169A1publicationCriticalpatent/ES201169A1/es
Una cabeza magnética provista de un núcleo magnético interrumpido por un entrehierro destinada a ser utilizada en combinación con soportes de magnetogramas caracterizada porque al menos las extremidades del núcleo que limitan el entrehierro y con preferencia todo el núcleo son de una ferrita tal como la conocida bajo el nombre de "ferroxcube"
ES0201169A1950-12-301951-12-27Una cabeza magnética de sonido
ExpiredES201169A1
(es)