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经营范围
发明名称
Silica of controlled porosity and process for obtaining it.
摘要
申请公布号
EP0407262(B1)
申请公布日期
1994.05.25
申请号
EP19900401818
申请日期
1990.06.26
申请人
RHONE-POULENC CHIMIE
发明人
PERSELLO, JACQUES
分类号
C01B33/18;C01B33/187;C01B33/193;(IPC1-7):C01B33/193
主分类号
C01B33/18
代理机构
代理人
主权项
地址
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