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发明名称
VERFAHREN ZUM REGELN DES SAUERSTOFFGEHALTS BEIM ZIEHEN VON SILICIUMKRISTALLEN
摘要
申请公布号
DE2639707(A1)
申请公布日期
1977.04.28
申请号
DE19762639707
申请日期
1976.09.03
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
JOHN PATRICK,WILLIAM;ALFRED WESTDORF,WOLFGANG
分类号
C01B33/02;C30B15/00;C30B15/20;C30B29/06;H01L21/208;(IPC1-7):B01J17/18
主分类号
C01B33/02
代理机构
代理人
主权项
地址
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