RADIO VOLUME CONTROL,申请号CAD326972-传众专利搜索

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发明名称	RADIO VOLUME CONTROL
摘要
申请公布号	CA326972(A)	申请公布日期	1932.10.18
申请号	CAD326972	申请日期
申请人	THE RADIO CORPORATION OF AMERICA	发明人	ARTHUR F. VAN DYCK;ARTHUR N. GOLDSMITH
分类号		主分类号
代理机构		代理人
主权项
地址

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