Dispositif de réglage du son pour récepteurs radiophoniques,申请号FRD760268-传众专利搜索

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发明名称	Dispositif de réglage du son pour récepteurs radiophoniques
摘要
申请公布号	FR760268(A)	申请公布日期	1934.02.20
申请号	FRD760268	申请日期	1933.09.02
申请人	HAZELTINE CORPORATION	发明人
分类号	H03G5/04;H03G5/20	主分类号	H03G5/04
代理机构		代理人
主权项
地址

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