Règles de dimensionnement des hélices utilisées dans les tubes à ondes progressives,申请号FRD974024-传众专利搜索

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发明名称	Règles de dimensionnement des hélices utilisées dans les tubes à ondes progressives
摘要
申请公布号	FR974024(A)	申请公布日期	1951.02.16
申请号	FRD974024	申请日期	1948.09.09
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J23/26	主分类号	H01J23/26
代理机构		代理人
主权项
地址

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