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humboldt wedag primary gyratory crushers germany Existing types of primary, secondary and tertiary crushers for reducing the size of frangible or friable solids include gyratory crushers A typical gyratory, Hydraulic control for gyratory crusher 2005719 Primary Class 241/290 Other Classes 241/207, 241/231 International,2680571 Pneumatic release means for gyratory crusher.