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发明名称
Composition of matter containing colloidal silica and process for preparing same
摘要
申请公布号
GB971189(A)
申请公布日期
1964.09.30
申请号
GB19620010356
申请日期
1962.03.19
申请人
NALCO CHEMICAL COMPANY
发明人
分类号
C01B33/145
主分类号
C01B33/145
代理机构
代理人
主权项
地址
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