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Canon Inc
Canon Electronics Inc
Original Assignee
Canon Inc
Canon Electronics Inc
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Filing date
Publication date
Application filed by Canon Inc, Canon Electronics IncfiledCriticalCanon Inc
Priority to JP4447675ApriorityCriticalpatent/JPS51120208A/en
Publication of JPS51120208ApublicationCriticalpatent/JPS51120208A/en
PURPOSE: To get the best recording characteristic of lengths of both long-wave and short-wave by the same bias current valve caused from obtaining plural clearances in clear section for magnetic recording of magnetic head.