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发明名称
Apparatus for sharpening drills
摘要
申请公布号
US3239966(A)
申请公布日期
1966.03.15
申请号
US19630303301
申请日期
1963.08.20
申请人
ALLAN RICHARDSON
发明人
RICHARDSON ALLAN
分类号
B24B3/24
主分类号
B24B3/24
代理机构
代理人
主权项
地址
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