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发明名称
VERFAHREN ZUR REINIGUNG VON ALKALIMETALLSILIKATLÖSUNGEN
摘要
申请公布号
AT211117(T)
申请公布日期
2002.01.15
申请号
AT19990917470T
申请日期
1999.04.14
申请人
PQ HOLDING, INC.
发明人
BASS, JONATHAN, L.;DADE-FIGUEROA, TANYA
分类号
B01D61/14;C01B33/20;C01B33/32;(IPC1-7):C01B33/00
主分类号
B01D61/14
代理机构
代理人
主权项
地址
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