Selection of a Practicable Shearer Loader Based on Mechanical Properties of Coal for Parvadeh 1 Mine
The Test of Amine Polymeric Alcohol Drilling Fluid System in Baka Block
Development of a New Type of Hydraulic Drilling Car Used in Coal Mine
Untersuchung zur Ermittlung der Schaufelradantriebsleistung bei Kohle- und Erzlagern. Teil II
Panorama de las materias primas para la siderurgia y transporte maritimo
Les tunnels de Jerada à nouveau opérationelle
Development of effective performance measures for wayside rail curve lubrication in heavy haul lines