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发明名称
Grinding wheel
摘要
申请公布号
US2278301(A)
申请公布日期
1942.03.31
申请号
US19410378670
申请日期
1941.02.12
申请人
ABRASIVE COMPANY
发明人
BAUER HANS E.
分类号
B24D7/16
主分类号
B24D7/16
代理机构
代理人
主权项
地址
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