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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2566059(A)
申请公布日期
1951.08.28
申请号
US19490078286
申请日期
1949.02.25
申请人
GENERAL ELECTRIC COMPANY
发明人
DUNCAN HERSHEL B.
分类号
B24B11/08
主分类号
B24B11/08
代理机构
代理人
主权项
地址
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