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发明名称
Drill sharpener
摘要
申请公布号
US1749957(A)
申请公布日期
1930.03.11
申请号
US19260135437
申请日期
1926.09.14
申请人
THE GARDNER-DENVER COMPANY
发明人
NELSON PAUL A.
分类号
B21K5/06
主分类号
B21K5/06
代理机构
代理人
主权项
地址
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