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发明名称
Multiple cloth backing for flexible abrasive articles
摘要
申请公布号
US2288649(A)
申请公布日期
1942.07.07
申请号
US19390253162
申请日期
1939.01.27
申请人
THE CARBORUNDUM COMPANY
发明人
ROBIE NORMAN P.
分类号
B24D11/00;D03D11/00
主分类号
B24D11/00
代理机构
代理人
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地址
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