,申请号DE19712155124-传众专利搜索

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发明名称
摘要
申请公布号	DE2155124(A1)	申请公布日期	1972.05.25
申请号	DE19712155124	申请日期	1971.11.05
申请人	RICOH KK	发明人
分类号	G11B21/20;G11B21/02;G11B25/04;(IPC1-7):G11B21/10	主分类号	G11B21/20
代理机构		代理人
主权项
地址

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