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发明名称
Improvements in or relating to the treatment of natural clays
摘要
申请公布号
GB924912(A)
申请公布日期
1963.05.01
申请号
GB19610004060
申请日期
1961.02.02
申请人
SOCIETE FRANCAISE DES GLYCERINES
发明人
分类号
B01J20/12;C04B33/13
主分类号
B01J20/12
代理机构
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