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发明名称
Electric discharge device
摘要
申请公布号
US2219871(A)
申请公布日期
1940.10.29
申请号
US19360091807
申请日期
1936.07.22
申请人
RADIO CORPORATION OF AMERICA
发明人
MALTER LOUIS
分类号
H01J43/08
主分类号
H01J43/08
代理机构
代理人
主权项
地址
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