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发明名称
Verfahren zur Herstellung von Mehrsystem- oder Mehrfachroehren
摘要
申请公布号
DE638661(C)
申请公布日期
1936.11.20
申请号
DENDATL075785D
申请日期
申请人
RADIOAKTIENGESELLSCHAFT D. S. LOEWE;BRUNO WIENECKE
发明人
分类号
H01J21/20
主分类号
H01J21/20
代理机构
代理人
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地址
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