IMPROVEMENTS IN AND RELATING TO MAGNETIC RECORDERS,申请号GB19690004989-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO MAGNETIC RECORDERS
摘要
申请公布号	GB1256141(A)	申请公布日期	1971.12.08
申请号	GB19690004989	申请日期	1969.01.29
申请人	KABUSHIKI KAISHA RICOH	发明人	SAKAE FUJIMOTO
分类号	G11B21/04	主分类号	G11B21/04
代理机构		代理人
主权项
地址

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