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Patent US Rock crusher system for an excavator

Dec 27 1 a demolition tool selected from the group consisting of a shearing jaws and b a concrete pulverizer comprising pulverizing jaws and a Jul 9 the side of the piston opposite the piston rod while conversely for cutting the reinforcement with the shears to act upon the hydraulic May 20 A rock crusher is attached to a typical excavator that has a swing boom which grabs large chunks of rock or concrete and crushes the material into US Jul 9 Jan 6 Wimmer Hartstahl Gesmbh Co