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发明名称
Drilling and cutting tool
摘要
申请公布号
US2632951(A)
申请公布日期
1953.03.31
申请号
US19500184275
申请日期
1950.09.11
申请人
ANDERSEN FREDERICK E
发明人
ANDERSEN FREDERICK E.
分类号
A61C3/02
主分类号
A61C3/02
代理机构
代理人
主权项
地址
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