MAGNETIC HEAD DEVICE AND OPTICAL PICKUP DEVICE,申请号JP19920234939-传众专利搜索

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发明名称	MAGNETIC HEAD DEVICE AND OPTICAL PICKUP DEVICE
摘要
申请公布号	JPH0684221(A)	申请公布日期	1994.03.25
申请号	JP19920234939	申请日期	1992.09.02
申请人	SONY CORP	发明人	FUJITA GORO
分类号	G11B11/10;G11B11/105;G11B21/21;(IPC1-7):G11B11/10	主分类号	G11B11/10
代理机构		代理人
主权项
地址

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