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发明名称
Dental bur holder
摘要
申请公布号
US2971637(A)
申请公布日期
1961.02.14
申请号
US19590792573
申请日期
1959.02.11
申请人
SIMONS JOHN H
发明人
SIMONS JOHN H.
分类号
A61C3/04
主分类号
A61C3/04
代理机构
代理人
主权项
地址
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