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经营范围
发明名称
Procédé de fabrication des redresseurs au sélénium
摘要
申请公布号
FR854689(A)
申请公布日期
1940.04.22
申请号
FRD854689
申请日期
1939.05.12
申请人
SU:DDEUTSCHE APPARATE-FABRIK G.M.B.H.
发明人
分类号
H01L21/108
主分类号
H01L21/108
代理机构
代理人
主权项
地址
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