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发明名称
摘要
申请公布号	FR2289081(B1)	申请公布日期	1977.12.16
申请号	FR19750032200	申请日期	1975.10.21
申请人	SONY CORP	发明人
分类号	H01F38/42;H04N3/18;(IPC1-7):H04N3/18;H03K4/00	主分类号	H01F38/42
代理机构		代理人
主权项
地址

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