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发明名称
ELECTRON DISCHARGE DEVICES
摘要
申请公布号
CA507238(A)
申请公布日期
1954.11.09
申请号
CAD507238
申请日期
申请人
RADIO CORPORATION OF AMERICA
发明人
NORVAL H. GREEN;WILLIAM H. WARREN
分类号
主分类号
代理机构
代理人
主权项
地址
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