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发明名称
Résistance de chauffage de cathode et éléments analogues
摘要
申请公布号
FR1243674(A)
申请公布日期
1960.10.14
申请号
FR19590814024
申请日期
1959.12.23
申请人
EDGERTON, GERMESHAUSEN & GRIER, INC.
发明人
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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