SERVO SYSTEM CONTROL CIRCUIT OF OPTICAL HEAD,申请号JP19890067421-传众专利搜索

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发明名称	SERVO SYSTEM CONTROL CIRCUIT OF OPTICAL HEAD
摘要
申请公布号	JPH02247827(A)	申请公布日期	1990.10.03
申请号	JP19890067421	申请日期	1989.03.22
申请人	SONY CORP	发明人	WACHI SHIGEAKI
分类号	G11B7/09;G05B13/02;G11B21/10	主分类号	G11B7/09
代理机构		代理人
主权项
地址

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