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发明名称
Abrasive wheel
摘要
申请公布号
US2259554(A)
申请公布日期
1941.10.21
申请号
US19400372260
申请日期
1940.12.30
申请人
THE SAFETY GRINDING WHEEL & MACHINE COMPANY
发明人
CLARK OLIVER A.
分类号
B24D5/16
主分类号
B24D5/16
代理机构
代理人
主权项
地址
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