Wave amplifying system,申请号US19380198619-传众专利搜索

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发明名称	Wave amplifying system
摘要
申请公布号	US2188671(A)	申请公布日期	1940.01.30
申请号	US19380198619	申请日期	1938.03.29
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	WILSON IRA G.
分类号	H03F1/36;H03G1/00;H03G3/08;H04B3/12	主分类号	H03F1/36
代理机构		代理人
主权项
地址

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