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发明名称
Isolement protecteur pour lampes à contrôle extérieur
摘要
申请公布号
FR721050(A)
申请公布日期
1932.02.26
申请号
FRD721050
申请日期
1931.08.04
申请人
RADIOROHRENFABRIK G.M.B.H.
发明人
分类号
H01J21/16
主分类号
H01J21/16
代理机构
代理人
主权项
地址
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