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发明名称
Electric discharge device
摘要
申请公布号
US2196040(A)
申请公布日期
1940.04.02
申请号
US19360068875
申请日期
1936.03.14
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
THOMPSON ALBERT C.
分类号
H01J17/30
主分类号
H01J17/30
代理机构
代理人
主权项
地址
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