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经营范围
发明名称
Abrasive bands
摘要
申请公布号
US2743559(A)
申请公布日期
1956.05.01
申请号
US19530347932
申请日期
1953.04.10
申请人
BAY STATE ABRASIVE PRODUCTS COMPANY
发明人
BALL ALBERT L.;LULL STANLEY E.
分类号
B24D11/00
主分类号
B24D11/00
代理机构
代理人
主权项
地址
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