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发明名称
Verfahren zur Erzeugung von Oxyden niederer Oxydationsstufe auf Wolframdraehten
摘要
申请公布号
DE588414(C)
申请公布日期
1933.11.17
申请号
DED588414D
申请日期
1930.03.14
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
ESPE DR. WERNER
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
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