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Fujitsu Ltd
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Fujitsu Ltd
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Publication date
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP6850275ApriorityCriticalpatent/JPS51144603A/en
Publication of JPS51144603ApublicationCriticalpatent/JPS51144603A/en
PURPOSE: Optical reproducing by using voice film formed in endless type eliminates the friction parts between film and reproducing system, prevents the deterioration of some quality by wear, simplifying the maintenance after setting.