Plural-frequency coupling unit,申请号US19460679835-传众专利搜索

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发明名称	Plural-frequency coupling unit
摘要
申请公布号	US2543973(A)	申请公布日期	1951.03.06
申请号	US19460679835	申请日期	1946.06.27
申请人	UNITED AIR LINES, INC.	发明人	JENSEN EVAN A.
分类号	H03H7/46	主分类号	H03H7/46
代理机构		代理人
主权项
地址

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