OPTICAL PICKUP DEVICE,申请号JP19890145301-传众专利搜索

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法人/股东/高管

发明名称	OPTICAL PICKUP DEVICE
摘要
申请公布号	JPH0268733(A)	申请公布日期	1990.03.08
申请号	JP19890145301	申请日期	1989.06.09
申请人	PIONEER ELECTRON CORP	发明人	MASUNAGA YOSHIFUMI;TASHIRO YASUYUKI;HAGAWARA NOBORU
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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