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发明名称
Electric discharge device
摘要
申请公布号
US1869207(A)
申请公布日期
1932.07.26
申请号
US19290417208
申请日期
1929.12.28
申请人
GENERAL ELECTRIC COMPANY
发明人
MARTIN HAROLD M.
分类号
H01J13/48
主分类号
H01J13/48
代理机构
代理人
主权项
地址
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