Space-charge wave tubes,申请号US19530401662-传众专利搜索

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发明名称	Space-charge wave tubes
摘要
申请公布号	US2794936(A)	申请公布日期	1957.06.04
申请号	US19530401662	申请日期	1953.12.31
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人	HUBER HARRY
分类号	H01J25/44;H01J25/48;H03B19/10;H03C1/32;H03C5/04;H03D7/20;H03G11/00	主分类号	H01J25/44
代理机构		代理人
主权项
地址

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