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发明名称
SOL-GEL ALUMINA ABRASIVE GRAIN
摘要
申请公布号
KR20020027558(A)
申请公布日期
2002.04.13
申请号
KR1020027002138
申请日期
2002.02.19
申请人
发明人
分类号
C09K3/14
主分类号
C09K3/14
代理机构
代理人
主权项
地址
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