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发明名称
Improvements in and relating to finely divided inorganic materials
摘要
申请公布号
GB594730(A)
申请公布日期
1947.11.18
申请号
GB19450011534
申请日期
1945.05.07
申请人
发明人
分类号
A61K8/11;A61K8/58;A61Q1/02;B01J2/00;B01J21/16;C09C3/12;D21H17/69
主分类号
A61K8/11
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