SERVO CIRCUIT FOR OPTICAL DISK RECORDING AND REPRODUCING DEVICE,申请号JP19870162239-传众专利搜索

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发明名称	SERVO CIRCUIT FOR OPTICAL DISK RECORDING AND REPRODUCING DEVICE
摘要
申请公布号	JPS648515(A)	申请公布日期	1989.01.12
申请号	JP19870162239	申请日期	1987.07.01
申请人	SONY CORP	发明人	WACHI SHIGEAKI
分类号	G11B7/09;G11B7/085	主分类号	G11B7/09
代理机构		代理人
主权项
地址

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