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发明名称
Disc lead-in for electron tubes
摘要
申请公布号
US2813219(A)
申请公布日期
1957.11.12
申请号
US19520312322
申请日期
1952.09.30
申请人
RADIO CORPORATION OF AMERICA
发明人
HANFT KENNETH EDWARD;PRYSLAK NICHOLAS EDWARD
分类号
H01J5/44
主分类号
H01J5/44
代理机构
代理人
主权项
地址
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