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发明名称
摘要
申请公布号	FR2060008(A1)	申请公布日期	1971.06.11
申请号	FR19700016809	申请日期	1970.05.08
申请人	MATSUSHITA ELECTRIC INDU	发明人
分类号	H04R21/02;H04R21/04;(IPC1-7):H04R17/00	主分类号	H04R21/02
代理机构		代理人
主权项
地址

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