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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2618909(A)
申请公布日期
1952.11.25
申请号
US19500137834
申请日期
1950.01.10
申请人
NORTON COMPANY
发明人
HILL OIVA E.
分类号
B24B9/00
主分类号
B24B9/00
代理机构
代理人
主权项
地址
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