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Expired
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Efim Ewgrafovish Gorin
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Individual
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Individual
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Publication of GB191515977ApublicationCriticalpatent/GB191515977A/en
15,977. Gorin, E. E. Nov. 12. Fans.-A sound record is formed on the edge of a card, which is attached to fans &c. in such a way that its projecting edge may be drawn sharply across the edge of a rigid object to reproduce the sound.
GB191515977D1915-11-121915-11-12Method and Apparatus for Making Articles adapted to Reproduce Vocal and other Sounds.
ExpiredGB191515977A
(en)