Shaft mining latest trends in hoist safety performance and energy efficiency Share this page First published in the April issue of World Coal Oswald Deuchar ABB Sweden MININGCA TCOM 3 Abstract Ever higher requirements from mine operators have led to numerous significant developments in longwall mining technology over the past decad Mining companies are looking for higher productivity longer life a higher
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立即联系/Live ChatShaft mining latest trends in hoist safety performance and energy efficiency Share this page First published in the April issue of World Coal Oswald Deuchar ABB Sweden cONSTRUcTION EQUIPMENT 3 equipment from India is projected to be around US$ 100 120 million by Spare parts revenues range anywhere from 20 29 per cent of the total sales for representative companies and are predominant in tunneling
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