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经营范围
发明名称
FremgangsmÕte for raffinering av silisium
摘要
申请公布号
NO991109(A)
申请公布日期
1999.04.30
申请号
NO19990001109
申请日期
1999.03.08
申请人
ELKEM METALS CO L.P.
发明人
SMITH, JERALD;JOHNSON, STEPHEN;OXMAN, STEVEN
分类号
C01B33/037;G05B13/02;(IPC1-7):C01B33/037
主分类号
C01B33/037
代理机构
代理人
主权项
地址
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MESSWERTUMFORMER.
Elastomeric moulding prodn. esp. for sleeves or profile membranes - by enclosing elastomeric material in airtight mould, and maintaining reduced pressure in mould while heating
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OPENING UPPER PART STRUCTURE OF CONSTRUCTION
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