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发明名称
Perfectionnements relatifs à des articles abrasifs et leurs procédés de fabrication
摘要
申请公布号
FR922577(A)
申请公布日期
1947.06.12
申请号
FRD922577
申请日期
1946.02.19
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
分类号
B24B35/00
主分类号
B24B35/00
代理机构
代理人
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