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发明名称
FREMGANGSM}TE VED RAFFINERING AV SMELTET ALUMINIUM ELLER ALUMINIUMLEGERINGER
摘要
申请公布号
NO137601(B)
申请公布日期
1977.12.12
申请号
NO19750000700
申请日期
1975.03.03
申请人
UNION CARBIDE CORP
发明人
SZEKELY ANDREW GEZA
分类号
C22B;C22B21/06;(IPC1-7):C22B21/06
主分类号
C22B
代理机构
代理人
主权项
地址
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