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发明名称
Verfahren zur Herstellung von Oxydkathoden
摘要
申请公布号
DE640203(C)
申请公布日期
1936.12.24
申请号
DE1927L069179D
申请日期
1927.07.10
申请人
DR. SIEGMUND LOEWE
发明人
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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