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发明名称
Verfahren zum Einstellen des Abstandes zwischen der OEffnung der Steuerblende und der Stirnflaeche der Kathode einer Braunschen Roehre
摘要
申请公布号
DE740384(C)
申请公布日期
1943.10.19
申请号
DE1939T052769D
申请日期
1939.09.02
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
GOSSLAR KARL
分类号
H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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