A powder blast tool for mixing a powder with a pressurised gas, having at least one powder reservoir, with supply lines for the pressurised gas, and a discharge line, which is connected to a discharge nozzle, at which a powder-gas mixture and optionally pressurised water are discharged, wherein the powder...http://www.google.fr/patents/US7980923?utm_source=gb-gplus-shareBrevet US7980923 - Powder blast tool, powder reservoir, insert for powder reservoir and method of dental treatment
Powder blast tool, powder reservoir, insert for powder reservoir and method ...
