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经营范围
发明名称
STABLE AQUEOUS SILICA DISPERSIONS
摘要
申请公布号
EP2079662(A2)
申请公布日期
2009.07.22
申请号
EP20070821445
申请日期
2007.10.17
申请人
EVONIK DEGUSSA GMBH
发明人
FISCHER, ULRICH
分类号
C01B33/141;C01B33/20
主分类号
C01B33/141
代理机构
代理人
主权项
地址
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