%0 Patent %D 2009 %T Spray nozzle and method for dusting freshly printed products %A Rainer Haas %A Nicolas Martin %A Jürgen Ehrhard %A Detlev Berlingen %A Claudius Haas %7 United States of America %V 7607391 %G eng %U https://patents.google.com/patent/US7607391B2/en %& US