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发明名称
Drill grinder
摘要
申请公布号
US2429057(A)
申请公布日期
1947.10.14
申请号
US19440533144
申请日期
1944.04.28
申请人
HANFORD RALPH B
发明人
HANFORD RALPH B.
分类号
B24B3/26
主分类号
B24B3/26
代理机构
代理人
主权项
地址
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