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经营范围
发明名称
Procédé pour fabriquer des cristaux semi-conducteurs en forme de tiges minces, par tirage à partir d'une masse fondue
摘要
申请公布号
FR1267425(A)
申请公布日期
1961.07.21
申请号
FR19600838223
申请日期
1960.09.09
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
C30B13/28;C30B15/22
主分类号
C30B13/28
代理机构
代理人
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