OPTICAL PICK-UP,申请号JP19870307147-传众专利搜索

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法人/股东/高管

发明名称	OPTICAL PICK-UP
摘要
申请公布号	JPH01149231(A)	申请公布日期	1989.06.12
申请号	JP19870307147	申请日期	1987.12.04
申请人	NIPPON COLUMBIA CO LTD	发明人	KAWAOMO HISASHI;TANAKA NOBUKAZU
分类号	G11B7/09	主分类号	G11B7/09
代理机构		代理人
主权项
地址

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