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发明名称
Electrical space discharge device
摘要
申请公布号
US2206271(A)
申请公布日期
1940.07.02
申请号
US19340729101
申请日期
1934.06.05
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
SPENCER PERCY L.;MARSHALL LAURENCE K.
分类号
H01J17/58
主分类号
H01J17/58
代理机构
代理人
主权项
地址
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