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Compagnie Francaise Thomson Houston SA
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Compagnie Francaise Thomson Houston SA
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Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR605543ApublicationCriticalpatent/FR605543A/fr
H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
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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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FR605543D1924-10-211925-10-20Perfectionnements aux appareils émetteurs et transmetteurs de sons
ExpiredFR605543A
(fr)