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发明名称
WERKWIJZE TER BEREIDING VAN POREUS, ZUIVER SILICIUMDIOXYDE
摘要
申请公布号
BE868792(A2)
申请公布日期
1979.01.08
申请号
BE19780189117
申请日期
1978.07.06
申请人
STAMICARBON B.V.
发明人
分类号
C01B33/157;B01J20/10;B01J23/26;C01B33/158;C01B33/16;C08F10/00;(IPC1-7):01B/
主分类号
C01B33/157
代理机构
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