TAILIEUCHUNG - Summary of Doctor thesis: Research on improving economic - Technical efficiency of prop equipment using in underground coal mining in Quang Ninh area

Building basis of science and reality for economic - technical efficiency of PE using solutions in CM in Quang Ninh area, to make contribution to increase efficiency of coal production and coal business. | Summary of Doctor thesis Research on improving economic - Technical efficiency of prop equipment using in underground coal mining in Quang Ninh area

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