US1791584A
B02C2/045 — Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with bowl adjusting or controlling mechanisms. ... ASSIGNOR TO MANUe FACTURING COMPANY, OF MILWAUKEE, WISCONSIN, A CORPORATION OF WIS- C ON SIN GONE CRUSHER Application led December 9, 1929. Serial No. 412,617.
WhatsApp: +86 18221755073