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发明名称
Gaseous electric discharge device
摘要
申请公布号
US1919933(A)
申请公布日期
1933.07.25
申请号
US19330651385
申请日期
1933.01.12
申请人
GENERAL ELECTRIC COMPANY
发明人
GROOT WILLEM DE
分类号
H01J61/74
主分类号
H01J61/74
代理机构
代理人
主权项
地址
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