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发明名称
SILICA SOL COMPOSITIONS
摘要
申请公布号
US3689431(A)
申请公布日期
1972.09.05
申请号
USD3689431
申请日期
1971.02.01
申请人
NALCO CHEM. CO.
发明人
CHARLES C. PAYNE
分类号
B01J13/00;C01B33/14;C01B33/146;(IPC1-7):B01J13/00
主分类号
B01J13/00
代理机构
代理人
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