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经营范围
发明名称
Procédé de fabrication d'éléments au sélénium, destinés notamment aux appareils redresseurs électriques.
摘要
申请公布号
CH256684(A)
申请公布日期
1948.08.31
申请号
CHD256684
申请日期
1946.11.23
申请人
STANDARD TELEPHONE ET RADIO S.A.
发明人
S.A. STANDARD TELEPHONE ET RADIO
分类号
H01L21/10
主分类号
H01L21/10
代理机构
代理人
主权项
地址
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