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经营范围
发明名称
Production of alumina
摘要
申请公布号
US2871096(A)
申请公布日期
1959.01.27
申请号
US19550542467
申请日期
1955.10.24
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
HERVERT GEORGE L.;BLOCH HERMAN S.
分类号
C01F7/42
主分类号
C01F7/42
代理机构
代理人
主权项
地址
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