Allis Chalmers introduced "R" series crusher (Reduction Crusher) in the middle of 1940's. Around 1952, the name was changed to "Hydrocone Crusher" to better reflect the method used to adjust the crusher setting. Century-Series Hydrocone Crusher was introduced around 1979. R-Series Hydrocone. 22", 30", 36", 48" Inch-Series ...
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