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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2130823(A)
申请公布日期
1938.09.20
申请号
US19370144668
申请日期
1937.05.25
申请人
THE SAFETY GRINDING WHEEL & MACHINE COMPANY
发明人
WILSON JOHN C.
分类号
B24B47/18
主分类号
B24B47/18
代理机构
代理人
主权项
地址
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