Frequency selective system,申请号US19430499023-传众专利搜索

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发明名称	Frequency selective system
摘要
申请公布号	US2443612(A)	申请公布日期	1948.06.22
申请号	US19430499023	申请日期	1943.08.17
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	FOX ARTHUR GARDNER
分类号	H01P1/201	主分类号	H01P1/201
代理机构		代理人
主权项
地址

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