Antenna,申请号US19270231804-传众专利搜索

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发明名称	Antenna
摘要
申请公布号	US1821402(A)	申请公布日期	1931.09.01
申请号	US19270231804	申请日期	1927.11.08
申请人	RADIO CORPORATION OF AMERICA	发明人	PETERSON HAROLD O.
分类号	H01Q21/12	主分类号	H01Q21/12
代理机构		代理人
主权项
地址

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