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发明名称
Entladungsroehre
摘要
申请公布号
DE721741(C)
申请公布日期
1942.06.17
申请号
DE1937T049161D
申请日期
1937.09.08
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
STEIMEL DR. KARL
分类号
H01J19/02
主分类号
H01J19/02
代理机构
代理人
主权项
地址
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