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发明名称
SILICA-ALUMINA-RARE EARTH COGELS
摘要
申请公布号
GB8508825(D0)
申请公布日期
1985.05.09
申请号
GB19850008825
申请日期
1985.04.04
申请人
GRACE & CO, W R
发明人
分类号
C10G11/05;B01J21/12;B01J23/10;B01J29/00;B01J37/03;C01B33/152;C10G11/00
主分类号
C10G11/05
代理机构
代理人
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地址
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