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发明名称
Verfahren zum Ausgluehen der Elektroden, insbesondere Anoden, von Vakuumroehren
摘要
申请公布号
DE566467(C)
申请公布日期
1932.12.21
申请号
DED566467D
申请日期
1930.05.20
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01J9/385
主分类号
H01J9/385
代理机构
代理人
主权项
地址
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