ELECTRICAL IMPULSE RECORDING AND REPRODUCING APPARATUS,申请号CAD348706-传众专利搜索

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发明名称	ELECTRICAL IMPULSE RECORDING AND REPRODUCING APPARATUS
摘要
申请公布号	CA348706(A)	申请公布日期	1935.03.05
申请号	CAD348706	申请日期
申请人	THE RADIO CORPORATION OF AMERICA	发明人	GLENN L. DIMMICK
分类号		主分类号
代理机构		代理人
主权项
地址

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