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经营范围
发明名称
Grinding and polishing machine
摘要
申请公布号
US2316582(A)
申请公布日期
1943.04.13
申请号
US19400338175
申请日期
1940.05.31
申请人
THE HILL ACME COMPANY
发明人
HERCIK LAD L.
分类号
B24B21/12
主分类号
B24B21/12
代理机构
代理人
主权项
地址
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