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Kohle
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Structure Design and Analysis of Moving Character for Detect Robot for Underground Coal Mine
Strip mine converts to automotive haulage
Stress Distribution and Failure Characteristics for Workface Floor of a Tilted Coal Seam
Stress Distribution and Failure Characteristics for Workface Floor of a Tilted Coal Seam
State of the Art of Underground Coal Mine Tracked Vehicle Brake Systems. Revised Report
Stand der Technik im Materialtransport unter Tage und Zukunftsaussichten
Standard-gage fifty-ton freight cars for transportation of bulk goods
Speed and economy in the shipment of export coal