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发明名称
Dental expander correcting position of teeth with improved control
摘要
The expansion section (7) consists partly or wholly of a swelling material. The swelling is triggered by absorption of saliva.
申请公布号
DE19754691(A1)
申请公布日期
1999.06.17
申请号
DE19971054691
申请日期
1997.12.10
申请人
BERNHARD FOERSTER GMBH, 75172 PFORZHEIM, DE
发明人
FOERSTER, ROLF, 75173 PFORZHEIM, DE
分类号
A61C7/10;A61C7/22;(IPC1-7):A61C7/10
主分类号
A61C7/10
代理机构
代理人
主权项
地址
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