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经营范围
发明名称
Sanding or polishing pad
摘要
申请公布号
US2281722(A)
申请公布日期
1942.05.05
申请号
US19390305287
申请日期
1939.11.20
申请人
THE UNITED STATES ELECTRICAL TOOL COMPANY
发明人
SMITH GEORGE E.
分类号
B24D9/08
主分类号
B24D9/08
代理机构
代理人
主权项
地址
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