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发明名称
Sanding pad
摘要
申请公布号
US2491510(A)
申请公布日期
1949.12.20
申请号
US19460677881
申请日期
1946.06.19
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
MILLER THEODORE J.
分类号
B24B23/04
主分类号
B24B23/04
代理机构
代理人
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地址
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