Reduction of noise,申请号US19360085041-传众专利搜索

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发明名称	Reduction of noise
摘要
申请公布号	US2113224(A)	申请公布日期	1938.04.05
申请号	US19360085041	申请日期	1936.06.13
申请人	RADIO CORPORATION OF AMERICA	发明人	SCHANTZ JOSEPH D.
分类号	H03G11/00	主分类号	H03G11/00
代理机构		代理人
主权项
地址

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