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发明名称
Amorphous precipitated silica abrasive
摘要
申请公布号
IL117544(D0)
申请公布日期
1996.07.23
申请号
IL19960117544
申请日期
1996.03.18
申请人
PPG INDUSTRIES INC
发明人
分类号
A61K8/25;A61Q11/00;C01B33/193;(IPC1-7):C01B
主分类号
A61K8/25
代理机构
代理人
主权项
地址
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