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发明名称
Verfahren zur Aktivierung von Destillationskathoden
摘要
申请公布号
DE567859(C)
申请公布日期
1933.01.12
申请号
DED567859D
申请日期
1930.03.19
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
主权项
地址
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