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Sonora Phonograph Corp
Original Assignee
Sonora Phonograph Corp
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Filing date
Publication date
Application filed by Sonora Phonograph CorpfiledCriticalSonora Phonograph Corp
Application grantedgrantedCritical
Publication of FR481648ApublicationCriticalpatent/FR481648A/en
Device for automatically stopping a phonograph when the player's style comes to the end of the recording of the rotary phonographic recording organ