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经营范围
发明名称
Ultrahigh frequency generating tube
摘要
申请公布号
US2597542(A)
申请公布日期
1952.05.20
申请号
US19460662968
申请日期
1946.04.18
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
STRUTT MAXIMILIAAN JULIUS OTTO;ZIEL ALDERT VAN DER
分类号
F16L3/02;H01J25/22
主分类号
F16L3/02
代理机构
代理人
主权项
地址
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