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发明名称
摘要
申请公布号	FR2307427(B1)	申请公布日期	1980.10.17
申请号	FR19760010460	申请日期	1976.04.09
申请人	MATSUSHITA ELECTRIC INDUSTRIAL	发明人
分类号	H04R17/00;B06B1/06;H04R17/02;(IPC1-7):H04R17/02	主分类号	H04R17/00
代理机构		代理人
主权项
地址

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