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发明名称
Verfahren zur Herstellung von Oxydkathoden
摘要
申请公布号
DE559242(C)
申请公布日期
1932.09.20
申请号
DE1923H095179D
申请日期
1923.11.13
申请人
DR. ERICH F. HUTH G.M.B.H.
发明人
SCHMIERER JOHANNES MICHAEL
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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