SOUND TRANSLATING APPARATUS,申请号CAD434903-传众专利搜索

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发明名称	SOUND TRANSLATING APPARATUS
摘要
申请公布号	CA434903(A)	申请公布日期	1946.05.21
申请号	CAD434903	申请日期
申请人	RADIO CORPORATION OF AMERICA	发明人	HAROLD J. HASBROUCK, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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