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发明名称
Kathodenroehre
摘要
申请公布号
DE550438(C)
申请公布日期
1932.05.14
申请号
DENDATS089168D
申请日期
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE AKT.-GES.
发明人
分类号
H01J19/78
主分类号
H01J19/78
代理机构
代理人
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地址
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