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发明名称
Drill sharpener
摘要
申请公布号
US2078306(A)
申请公布日期
1937.04.27
申请号
US19350056288
申请日期
1935.12.26
申请人
BAALMANN RODERICK O
发明人
BAALMANN RODERICK O.
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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