B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
B05B7/1481—Spray pistols or apparatus for discharging particulate material
Procede de transport et d'application de materiaux granuleux humides de faible densite ne presentant pas d'ecoulement naturel et dispositif pour la mise en oeuvre de ce procede