Improvements in or relating to electron discharge tubes and circuit arrangements incorporating the same,申请号GB19350031450-传众专利搜索

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发明名称	Improvements in or relating to electron discharge tubes and circuit arrangements incorporating the same
摘要
申请公布号	GB452355(A)	申请公布日期	1936.08.20
申请号	GB19350031450	申请日期	1935.11.13
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	H01J25/52;H03C5/04	主分类号	H01J25/52
代理机构		代理人
主权项
地址

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