OPTICAL HEAD DEVICE,申请号JP19900064974-传众专利搜索

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发明名称	OPTICAL HEAD DEVICE
摘要
申请公布号	JPH03266266(A)	申请公布日期	1991.11.27
申请号	JP19900064974	申请日期	1990.03.14
申请人	CANON INC	发明人	TAKAHASHI TORU
分类号	G11B21/02	主分类号	G11B21/02
代理机构		代理人
主权项
地址

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