74259662
Mar 27, 1992
Aug 15, 1995
separators in the form of a dispersion and screen apparatus for dividing granular or pulverous mineral raw materials into a coarse and a fine fraction
Machineryprocessing and treatment of granular or pulverous mineral raw materials in the form of dispersing and screening the said materials to obtain a division thereof into a coarse fraction and a fine fraction
Treatment of Materials