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发明名称
Discharge tube
摘要
申请公布号
US1961696(A)
申请公布日期
1934.06.05
申请号
US19290397469
申请日期
1929.10.05
申请人
RADIO CORPORATION OF AMERICA
发明人
LELY DIRK;BEUSEKOM GODEFRIDUS VAN
分类号
H01J1/13
主分类号
H01J1/13
代理机构
代理人
主权项
地址
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