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发明名称
REFINING OF SILICON
摘要
申请公布号
US3442622(A)
申请公布日期
1969.05.06
申请号
USD3442622
申请日期
1968.05.08
申请人
GENERAL TRUSTEE CO. INC.:THE
发明人
ROBERT MONNIER;PHILIPPE GRANDJEAN
分类号
C01B33/037;C30B13/00;(IPC1-7):C01B33/02
主分类号
C01B33/037
代理机构
代理人
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