OPTICAL HEAD POSITION DETECTION DEVICE,申请号JP19890328323-传众专利搜索

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发明名称	OPTICAL HEAD POSITION DETECTION DEVICE
摘要
申请公布号	JPH03189970(A)	申请公布日期	1991.08.19
申请号	JP19890328323	申请日期	1989.12.20
申请人	CANON INC	发明人	HIROKI TOMOYUKI
分类号	G11B21/08;G11B7/085	主分类号	G11B21/08
代理机构		代理人
主权项
地址

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