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发明名称
Tube electrode
摘要
申请公布号
US2189998(A)
申请公布日期
1940.02.13
申请号
US19360090837
申请日期
1936.07.16
申请人
ALLGEMEINE ELEKTRICITATS-GESELLSCHAFT
发明人
SCHENK DANKWART
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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