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发明名称
Grinding machine
摘要
申请公布号
US2116498(A)
申请公布日期
1938.05.10
申请号
US19360105505
申请日期
1936.10.14
申请人
THE HALL MANUFACTURING COMPANY
发明人
HALL ERNEST A.
分类号
B24B15/00
主分类号
B24B15/00
代理机构
代理人
主权项
地址
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