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经营范围
发明名称
Low temperature thermionic energy converter
摘要
申请公布号
GB922789(A)
申请公布日期
1963.04.03
申请号
GB19590039308
申请日期
1959.11.19
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J45/00
主分类号
H01J45/00
代理机构
代理人
主权项
地址
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