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发明名称
Verfahren zur Herstellung von sehr reiner Kieselsäure und von reinem Ammoniumfluorid.
摘要
申请公布号
DE68916309(T2)
申请公布日期
1994.11.17
申请号
DE19896016309T
申请日期
1989.04.11
申请人
IMCERA GROUP INC., NORTHBROOK, ILL., US
发明人
CHIENG, PAUL C., BALLWIN MISSOURI 63021, US
分类号
C01B33/18;C01C1/16;(IPC1-7):C01B33/18
主分类号
C01B33/18
代理机构
代理人
主权项
地址
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