Electrical wave filter,申请号US19390287017-传众专利搜索

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发明名称	Electrical wave filter
摘要
申请公布号	US2266501(A)	申请公布日期	1941.12.16
申请号	US19390287017	申请日期	1939.07.28
申请人	RADIO CORPORATION OF AMERICA	发明人	LINDENBLAD NILS E.
分类号	H01P7/04	主分类号	H01P7/04
代理机构		代理人
主权项
地址

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