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发明名称
Improvements in or relating to dental drilling and like tools
摘要
申请公布号
GB944283(A)
申请公布日期
1963.12.11
申请号
GB19600023490
申请日期
1960.07.05
申请人
PAUL HOPF;HERMANN HOPF
发明人
分类号
A61C1/14;A61C3/06;B23B31/00
主分类号
A61C1/14
代理机构
代理人
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