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经营范围
发明名称
Méthod de production du silicium à haute pureté.
摘要
申请公布号
BE583833(A4)
申请公布日期
1960.04.21
申请号
BE19590583833
申请日期
1959.10.21
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
分类号
C01B33/029;(IPC1-7):C01B
主分类号
C01B33/029
代理机构
代理人
主权项
地址
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