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经营范围
发明名称
Sanding pad
摘要
申请公布号
US2889667(A)
申请公布日期
1959.06.09
申请号
US19580745908
申请日期
1958.07.01
申请人
CAMPBELL BERT J
发明人
CAMPBELL BERT J.
分类号
B24D15/04
主分类号
B24D15/04
代理机构
代理人
主权项
地址
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