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发明名称
Manufacture of abrasive coated webs
摘要
申请公布号
US2250119(A)
申请公布日期
1941.07.22
申请号
US19400325809
申请日期
1940.03.25
申请人
THE CARBORUNDUM COMPANY
发明人
WILLIAMSON JOHN A.
分类号
B24D11/00
主分类号
B24D11/00
代理机构
代理人
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