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ATELIERS DE MONTAGE ET D EBENI
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ATELIERS DE MONTAGE ET D EBENI
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Application filed by ATELIERS DE MONTAGE ET D EBENIfiledCriticalATELIERS DE MONTAGE ET D EBENI
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Publication of FR676964ApublicationCriticalpatent/FR676964A/fr
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R3/00—Circuits for transducers, loudspeakers or microphones
H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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Health & Medical Sciences
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General Health & Medical Sciences
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Otolaryngology
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
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Signal Processing
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FR676964D1929-06-211929-06-21Installation électrique pour la transmission combinée des sons provenant de plusieurs sources sonores
ExpiredFR676964A
(fr)