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发明名称
Entladungsroehre
摘要
申请公布号
DE667833(C)
申请公布日期
1938.11.21
申请号
DE1933T042042D
申请日期
1933.01.29
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
STEIMEL DR. KARL
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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