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发明名称
Perfectionnements aux objets abrasifs et aux compositions servant à les fabriquer
摘要
申请公布号
FR863085(A)
申请公布日期
1941.03.22
申请号
FRD863085
申请日期
1940.01.26
申请人
COMPAGNIE DES MEULES NORTON
发明人
分类号
B24D3/28
主分类号
B24D3/28
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代理人
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