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发明名称
Grinder
摘要
申请公布号
US2656655(A)
申请公布日期
1953.10.27
申请号
US19510222304
申请日期
1951.04.23
申请人
NATIONAL BROACH & MACHINE COMPANY
发明人
PRAEG WALTER S.
分类号
B23Q16/06;B24B19/02
主分类号
B23Q16/06
代理机构
代理人
主权项
地址
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