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Zafir S A
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Zafir S A
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Publication of ES186849YpublicationCriticalpatent/ES186849Y/es
Diaphragms For Electromechanical Transducers
(AREA)
Abstract
Altavoz para cascos auriculares de alta fidelidad, caracterizado porque el mismo incorpora una segunda membrana central además de la ordinaria, con la cual se logrará una mayor perfección en el registro de los graves y agudos.
ES1972186849U1972-12-151972-12-15Altavoz para cascos auriculares de alta fidelidad.
ExpiredES186849Y
(es)