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发明名称
摘要
申请公布号	FR2400643(B1)	申请公布日期	1984.04.27
申请号	FR19780024291	申请日期	1978.08.21
申请人	SONY CORP	发明人
分类号	G11B15/26;G11B15/44;(IPC1-7):F16D11/00;G11B15/34	主分类号	G11B15/26
代理机构		代理人
主权项
地址

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