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经营范围
发明名称
Discharge tube
摘要
申请公布号
US2508228(A)
申请公布日期
1950.05.16
申请号
US19460662971
申请日期
1946.04.18
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
COCTERIER FREDERIK
分类号
H01J25/32
主分类号
H01J25/32
代理机构
代理人
主权项
地址
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