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发明名称
Dispositif pour extraire les racines de dents
摘要
申请公布号
FR836867(A)
申请公布日期
1939.01.27
申请号
FRD836867
申请日期
1938.04.20
申请人
发明人
BEECK PETER VAN
分类号
A61C3/14;A61C9/00
主分类号
A61C3/14
代理机构
代理人
主权项
地址
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