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Beneficiation Of Pper Ores In India

Beneficiation and utilisation of low grade refractory materials n.N.Mathur, p.C.Sen and m.R.K.Rao introduction the present production of refractories in india is of the order of 0.75 million tons.These comprise fireclay, alumino silicates, high alumina and basic refractories and refractory cements, mortars, plastics and castables.