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经营范围
发明名称
Abrasifs
摘要
申请公布号
FR923033(A)
申请公布日期
1947.06.25
申请号
FRD923033
申请日期
1946.03.01
申请人
THE CARBORUNDUM COMPANY
发明人
分类号
B24D7/02;B24D18/00
主分类号
B24D7/02
代理机构
代理人
主权项
地址
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