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发明名称
Electric discharge device
摘要
申请公布号
US2289156(A)
申请公布日期
1942.07.07
申请号
US19390305071
申请日期
1939.11.18
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WEINHART HOWARD W.
分类号
H01J9/22
主分类号
H01J9/22
代理机构
代理人
主权项
地址
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