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经营范围
发明名称
Aquasols of positively-charged coated silica particles and their production
摘要
申请公布号
US3007878(A)
申请公布日期
1961.11.07
申请号
US19560619794
申请日期
1956.11.01
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
ALEXANDER GUY B.;BOLT GERARD HENDRIK
分类号
C01B33/149
主分类号
C01B33/149
代理机构
代理人
主权项
地址
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