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经营范围
发明名称
Electric discharge electrode
摘要
申请公布号
US2239693(A)
申请公布日期
1941.04.29
申请号
US19390254725
申请日期
1939.02.04
申请人
ELECTRONIC RESEARCH CORPORATION
发明人
BENNETT WILLARD H.
分类号
H01T14/00
主分类号
H01T14/00
代理机构
代理人
主权项
地址
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