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专利名称：DEVICE FOR SUPPLYING A DENTAL
RETRACTION CORD
发明人：WALTER, Alexander,PEUKER, Marc,HAMPE,
Rüdiger,BERTL, Mathias
申请号：EP09816879.2申请日：20090925公开号：EP23418B1公开日：20120822
摘要：The invention relates to a device for supplying a dental retraction cord. Thedevice comprises a cannula for dispensing a dental substance, and comprises a dentalretraction cord disposed within the cannula so that the dental retraction cord isentrained by the dental substance dispensed through the cannula. The invention mayhelp to facilitate a gingival retraction procedure in dentistry.
申请人：3M INNOVATIVE PROPERTIES CO
地址：US
国籍：US
代理机构：Hohmann, Arno
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