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发明名称
Electric discharge device
摘要
申请公布号
US2135039(A)
申请公布日期
1938.11.01
申请号
US19360071855
申请日期
1936.03.31
申请人
RADIO CORPORATION OF AMERICA
发明人
JR. ERNEST A. MASSA,
分类号
H01J43/12
主分类号
H01J43/12
代理机构
代理人
主权项
地址
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