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经营范围
发明名称
ALUMINUM PURIFICATION SYSTEM
摘要
申请公布号
GB2041981(A)
申请公布日期
1980.09.17
申请号
GB19800001510
申请日期
1980.01.16
申请人
REYNOLDS METALS CO
发明人
分类号
C22B21/02;C22B21/06;F27B1/08;(IPC1-7):C22B21/06
主分类号
C22B21/02
代理机构
代理人
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地址
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