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经营范围
发明名称
SILICON REFINING PROCESS
摘要
申请公布号
EP0958242(A1)
申请公布日期
1999.11.24
申请号
EP19970940544
申请日期
1997.08.27
申请人
ELKEM METALS COMPANY L.P.
发明人
SMITH, JERALD;JOHNSON, STEPHEN;OXMAN, STEVEN
分类号
C01B33/037;G05B13/02;(IPC1-7):C01B33/02;C01B33/021;G05B15/00
主分类号
C01B33/037
代理机构
代理人
主权项
地址
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