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发明名称
Discharge tube
摘要
申请公布号
US2225645(A)
申请公布日期
1940.12.24
申请号
US19380246441
申请日期
1938.12.17
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
KUIPERS MINNE
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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