Reduction of noise,申请号US19360103398-传众专利搜索

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发明名称	Reduction of noise
摘要
申请公布号	US2141229(A)	申请公布日期	1938.12.27
申请号	US19360103398	申请日期	1936.09.30
申请人	RADIO CORPORATION	发明人	SMITH ROGERS M.
分类号	H03F3/48;H03G5/08;H03G11/00	主分类号	H03F3/48
代理机构		代理人
主权项
地址

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