Tubes électroniques du type à modulation de vitesse,申请号FRD1151476-传众专利搜索

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发明名称	Tubes électroniques du type à modulation de vitesse
摘要
申请公布号	FR1151476(A)	申请公布日期	1958.01.30
申请号	FRD1151476	申请日期	1955.11.30
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H01J25/12	主分类号	H01J25/12
代理机构		代理人
主权项
地址

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