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发明名称
Arc starting electrode and method of forming same
摘要
申请公布号
US2352230(A)
申请公布日期
1944.06.27
申请号
US19420431393
申请日期
1942.02.18
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
SPENCER PERCY L.
分类号
H01J13/28;H01J13/34
主分类号
H01J13/28
代理机构
代理人
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地址
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