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发明名称
Process for the manufacture of colloidal silicic acid (silica gel) from water glass
摘要
申请公布号
GB459058(A)
申请公布日期
1937.01.01
申请号
GB19350019233
申请日期
1935.07.05
申请人
ERNST BERL
发明人
分类号
C01B33/154
主分类号
C01B33/154
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代理人
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