Pompe à vide ionique,申请号FRD71662-传众专利搜索

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发明名称	Pompe à vide ionique
摘要
申请公布号	FR71662(E)	申请公布日期	1960.01.13
申请号	FRD71662	申请日期	1957.03.27
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H01J41/16;H01J41/20	主分类号	H01J41/16
代理机构		代理人
主权项
地址

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