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经营范围
发明名称
Grinding wheel
摘要
申请公布号
US2332241(A)
申请公布日期
1943.10.19
申请号
US19410421956
申请日期
1941.12.06
申请人
NORTON COMPANY
发明人
LOMBARD ROBERT H.;MILLIGAN LOWELL H.
分类号
B24D3/14;B24D3/34
主分类号
B24D3/14
代理机构
代理人
主权项
地址
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