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经营范围
发明名称
Improvements in or relating to dental drills
摘要
申请公布号
GB682372(A)
申请公布日期
1952.11.05
申请号
GB19510006347
申请日期
1951.03.16
申请人
MARTIN HERRMANN
发明人
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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