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发明名称
Sol de silice en particules de petites dimensions et son procédé de préparations
摘要
申请公布号
FR1534260(A)
申请公布日期
1968.07.26
申请号
FR19670117773
申请日期
1967.08.11
申请人
NALCO CHEMICAL COMPANY
发明人
分类号
C01B33/148
主分类号
C01B33/148
代理机构
代理人
主权项
地址
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