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Priority to JP4458782UpriorityCriticalpatent/JPS58148728U/ja
Publication of JPS58148728UpublicationCriticalpatent/JPS58148728U/ja
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Publication of JPS6349859Y2publicationCriticalpatent/JPS6349859Y2/ja
Device for cleaning the magnetic head and capstan roller of a cassette-type recording and/or playback unit in response to operation of the tape drive of the unit