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经营范围
发明名称
Abrasive disk
摘要
申请公布号
US2385249(A)
申请公布日期
1945.09.18
申请号
US19440539896
申请日期
1944.06.12
申请人
ALBERTSON & COMPANY, INC.
发明人
ALBERTSON FRANK OSBERN
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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