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发明名称
Electric discharge device
摘要
申请公布号
US2166817(A)
申请公布日期
1939.07.18
申请号
US19340716112
申请日期
1934.03.17
申请人
GENERAL ELECTRIC COMPANY
发明人
MASER HAROLD T.
分类号
H01J17/56
主分类号
H01J17/56
代理机构
代理人
主权项
地址
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