OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE,申请号JP19900126508-传众专利搜索

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发明名称	OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号	JPH0421926(A)	申请公布日期	1992.01.24
申请号	JP19900126508	申请日期	1990.05.16
申请人	RICOH CO LTD	发明人	SHIMIZU AKIHIKO
分类号	G11B20/12;G11B7/00;G11B7/004;G11B11/10;G11B11/105	主分类号	G11B20/12
代理机构		代理人
主权项
地址

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