The invention relates to a method of the dosed application of a liquid onto to selected portion of the surface of a substrate (A) by means of spraying under the influence of an electric current. According to the invention the liquid is fed at a flow rate between 0.01 pl/s and 1 ml/s to a distal tip (3)...http://www.google.es/patents/US7247272?utm_source=gb-gplus-sharePatente US7247272 - Method of the dosed application of a liquid onto a surface
Method of the dosed application of a liquid onto a surface
