发明名称 Dispensing device for a dental substance
摘要 A dispensing device for a dental substance is provided which has an outlet for the dental substance, and a valve for opening and closing the outlet. The device is switchable between a storage mode and an operative mode. In the storage mode a cannula is locked in the device and the valve opens the outlet, and in the storage mode the cannula can be released from the device and the valve closes the outlet. The device may facilitate handling and may be relatively inexpensive.
申请公布号 GB0906925(D0) 申请公布日期 2009.06.03
申请号 GB20090006925 申请日期 2009.04.23
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人
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