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经营范围
发明名称
Polishing pads
摘要
申请公布号
US3256547(A)
申请公布日期
1966.06.21
申请号
US19630312690
申请日期
1963.09.30
申请人
AMERICAN FELT COMPANY
发明人
HENCKEN HAROLD G.
分类号
A47L11/164;B24D9/08;B24D13/20
主分类号
A47L11/164
代理机构
代理人
主权项
地址
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