Signal wave transmission system,申请号US19430486688-传众专利搜索

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发明名称	Signal wave transmission system
摘要
申请公布号	US2379055(A)	申请公布日期	1945.06.26
申请号	US19430486688	申请日期	1943.05.12
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	ABRAHAM LEONARD G.
分类号	H04B3/00	主分类号	H04B3/00
代理机构		代理人
主权项
地址

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