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经营范围
发明名称
Procédé pour la préparation de silicium très pur
摘要
申请公布号
BE585975(A1)
申请公布日期
1960.04.19
申请号
BE19590585975
申请日期
1959.12.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
(IPC1-7):H01L
主分类号
(IPC1-7):H01L
代理机构
代理人
主权项
地址
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