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经营范围
发明名称
Perfectionnements à la fabrication de matières abrasives artificielles
摘要
申请公布号
FR1426620(A)
申请公布日期
1966.01.28
申请号
FR19650008723
申请日期
1965.03.10
申请人
发明人
ROBERTSON ROBERT HUGH STANNUS
分类号
C01F7/38;C09K3/14
主分类号
C01F7/38
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