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发明名称
Elektrodenhalterung fuer Elektronenroehren
摘要
申请公布号
DE638277(C)
申请公布日期
1936.11.12
申请号
DE1935R092518D
申请日期
1935.02.02
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J19/42;H01J19/52
主分类号
H01J19/42
代理机构
代理人
主权项
地址
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