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GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
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GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
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Application filed by GENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE CiefiledCriticalGENERALE des Ets PATHE FRERES PHONOGRAPHE ET CINEMATOGRAPHE Cie
Application grantedgrantedCritical
Publication of FR485456ApublicationCriticalpatent/FR485456A/fr
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR485456D1916-07-051916-07-05Bras acoustique pour phonographe
ExpiredFR485456A
(fr)