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BR380JG, High-performance jaw. The KCJ4222 large-capacity jaw crusher guarantees maximum crushing capacity in this class along with ease of maintenance.Jaw Crusher range for primary size reduction, 16 Nov 2011 ... The Retsch Jaw Crusher range is used for the rapid, gentle crushing and ... and safety make our Jaw Crusher range ideal for sample preparation in ... and is ideally suited to crush small amounts of sample with large feed sizes gently and without loss. ... Jaw Crusher PEV , one of the best design in China .Crusher, A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock ... James Watt's later Watt steam engine was an improved version of the Newcomen engine. ... This phenomenon leads to higher capacity of the single toggle jaw crushers but it also results in higher wear of the crushing jaws.