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发明名称
Method of forming a silica gel and drying air therewith
摘要
申请公布号
US2698062(A)
申请公布日期
1954.12.28
申请号
US19490134588
申请日期
1949.12.22
申请人
W. R. GRACE & CO.
发明人
VELTMAN PRESTON L.;HUBBARD STEPHEN S.
分类号
B01D53/26
主分类号
B01D53/26
代理机构
代理人
主权项
地址
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