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发明名称
Scouring implement
摘要
申请公布号
US2650158(A)
申请公布日期
1953.08.25
申请号
US19500177472
申请日期
1950.08.03
申请人
THE CARBORUNDUM COMPANY
发明人
EASTMAN DON L.
分类号
A47L13/16;B24D15/04
主分类号
A47L13/16
代理机构
代理人
主权项
地址
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