Means for suppressing noise in radio receivers,申请号US19370172921-传众专利搜索

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发明名称	Means for suppressing noise in radio receivers
摘要
申请公布号	US2180355(A)	申请公布日期	1939.11.21
申请号	US19370172921	申请日期	1937.11.05
申请人	HAFFCKE PHILIP M	发明人	HAFFCKE PHILIP M.
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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