8605717 An air-jet mill for fine and/or cryogenic milling and surface treatment of preferably hard, elastic and/or thermoplastic materials : Zsolt CSILLAG, G@za SZENTGY@RGYI, K@roly SOLYm@R Tibor, K@LM@N P@l T@TH Ferenc ROSENMANN, J@nos STEINER J@nos MORZ@L, L@szl@ ZSEMBERI B@la LAJTAI Tibor LEG@T, Ferenc SIKTEI, Ferenc VALL@, B@lint SZAB@ G@bor MOLn@R, S@ndor CZAFIT, Zalai u. 6/b, H-1125 Budapest, Hungary assigned to MAGYAR ALUMINIUMIPARI TR@SZT