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发明名称
Abrasive device
摘要
申请公布号
US2331861(A)
申请公布日期
1943.10.12
申请号
US19400348143
申请日期
1940.07.29
申请人
EDWARD G. BUDD MANUFACTURING COMPANY
发明人
SMITH JOHN F. DOWNIE
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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