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发明名称
Purifying alumina
摘要
申请公布号
US1798261(A)
申请公布日期
1931.03.31
申请号
US19250073094
申请日期
1925.12.04
申请人
ALUMINUM COMPANY OF AMERICA
发明人
HORSFIELD BASIL T.
分类号
C01F7/02;C01F7/38;C01F7/46
主分类号
C01F7/02
代理机构
代理人
主权项
地址
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