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发明名称
Grinding machinery
摘要
申请公布号
US2219425(A)
申请公布日期
1940.10.29
申请号
US19380184067
申请日期
1938.01.08
申请人
LOTT CHARLES I
发明人
LOTT CHARLES I.
分类号
B24B5/04;B24B5/18
主分类号
B24B5/04
代理机构
代理人
主权项
地址
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