Perfectionnements aux grilles pour tubes à décharge,申请号FRD792261-传众专利搜索

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发明名称	Perfectionnements aux grilles pour tubes à décharge
摘要
申请公布号	FR792261(A)	申请公布日期	1935.12.26
申请号	FRD792261	申请日期	1935.07.09
申请人	TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	H01J19/38	主分类号	H01J19/38
代理机构		代理人
主权项
地址

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