Tube électronique à ondes progressives.,申请号CHD271763-传众专利搜索

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法人/股东/高管

发明名称	Tube électronique à ondes progressives.
摘要
申请公布号	CH271763(A)	申请公布日期	1950.11.15
申请号	CHD271763	申请日期	1947.11.05
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
分类号	H01J25/36	主分类号	H01J25/36
代理机构		代理人
主权项
地址

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