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发明名称
Gluehkathode
摘要
申请公布号
DE618984(C)
申请公布日期
1935.09.19
申请号
DE1930A097530D
申请日期
1930.08.26
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
SIMON DR. HELLMUT
分类号
H01J1/16
主分类号
H01J1/16
代理机构
代理人
主权项
地址
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