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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2284073(A)
申请公布日期
1942.05.26
申请号
US19400326224
申请日期
1940.03.27
申请人
NORTON COMPANY
发明人
SILVEN HERBERT A.
分类号
B24B7/02
主分类号
B24B7/02
代理机构
代理人
主权项
地址
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