U.S. federal trademark · Serial No. 74259662 · Reg. No. 1912051
processing 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
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
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