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发明名称
Grinding wheel
摘要
申请公布号
US2272874(A)
申请公布日期
1942.02.10
申请号
US19410405241
申请日期
1941.08.02
申请人
NORTON COMPANY
发明人
KISTLER SAMUEL S.
分类号
B24D3/28;C08L61/22
主分类号
B24D3/28
代理机构
代理人
主权项
地址
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