Short-wave radio transmission,申请号US19400339559-传众专利搜索

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发明名称	Short-wave radio transmission
摘要
申请公布号	US2369808(A)	申请公布日期	1945.02.20
申请号	US19400339559	申请日期	1940.06.08
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	SOUTHWORTH GEORGE CLARK
分类号	H01Q13/04	主分类号	H01Q13/04
代理机构		代理人
主权项
地址

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