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发明名称
Grinding machine and method
摘要
申请公布号
US2067177(A)
申请公布日期
1937.01.12
申请号
US19300466764
申请日期
1930.07.09
申请人
BARBER-COLMAN COMPANY
发明人
EDGAR JOHN
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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