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Browsing by Author Valderrama Garcia, Deiby Nelber
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Showing results 1 to 1 of 1
info:eu-repo/semantics/bachelorThesis
Beneficios técnico-económicos del cambio de tipo de broca y martillo dth de la serie ql60 por la serie nd680 en la perforación de los taladros de producción del tajo san pedro, minera la zanja
Valderrama Garcia, Deiby Nelber
Asesorado por
Prado Palomino, Pedro
Sep-2018
Universidad Nacional de Trujillo
Broca y martillo