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发明名称
Drilling instrument
摘要
申请公布号
US3098299(A)
申请公布日期
1963.07.23
申请号
US19570677669
申请日期
1957.08.12
申请人
PAGE RICHARD W
发明人
PAGE RICHARD W.
分类号
A61C1/14
主分类号
A61C1/14
代理机构
代理人
主权项
地址
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