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发明名称
Method of making abrasive articles
摘要
申请公布号
US2424140(A)
申请公布日期
1947.07.15
申请号
US19420427792
申请日期
1942.01.22
申请人
NORTON COMPANY
发明人
BEECHER MILTON F.
分类号
B24D18/00
主分类号
B24D18/00
代理机构
代理人
主权项
地址
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