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发明名称
Tool grinding device
摘要
申请公布号
US2253687(A)
申请公布日期
1941.08.26
申请号
US19390265702
申请日期
1939.04.03
申请人
UNION SPECIAL MACHINE COMPANY
发明人
CARLSON JOHN V.
分类号
B24B3/18
主分类号
B24B3/18
代理机构
代理人
主权项
地址
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