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发明名称
Polishing sheet
摘要
申请公布号
US2542058(A)
申请公布日期
1951.02.20
申请号
US19490131072
申请日期
1949.12.05
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
RIEDESEL RICHARD G.
分类号
B24D11/00
主分类号
B24D11/00
代理机构
代理人
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地址
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