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经营范围
发明名称
CAFFEINE ADSORPTION ON AMORPHOUS SILICA
摘要
申请公布号
EP0173297(A3)
申请公布日期
1988.07.20
申请号
EP19850110744
申请日期
1985.08.27
申请人
W.R. GRACE & CO.
发明人
WELSH, WILLIAM ALAN
分类号
B01D15/00;C07D473/12;(IPC1-7):C07D473/12;A23F5/22
主分类号
B01D15/00
代理机构
代理人
主权项
地址
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