System for receiving sounds in the presence of disturbing noises,申请号US19450580684-传众专利搜索

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发明名称	System for receiving sounds in the presence of disturbing noises
摘要
申请公布号	US2444069(A)	申请公布日期	1948.06.29
申请号	US19450580684	申请日期	1945.03.02
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	SIVIAN LEON J.
分类号	G01S1/72	主分类号	G01S1/72
代理机构		代理人
主权项
地址

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