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经营范围
发明名称
Improvements in drilling or grinding tools, more particulary for dental purposes
摘要
申请公布号
GB770496(A)
申请公布日期
1957.03.20
申请号
GB19550010045
申请日期
1955.04.06
申请人
ALOIS KALTENBACH;ERICH HOFFMEISTER
发明人
分类号
A61C1/18
主分类号
A61C1/18
代理机构
代理人
主权项
地址
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