In Russian. Kuzmich, Anton Savvich. Scientific developments of the A.A. Skochinsky Institute of Mining to create a new technology for extracting coal from their steep seams while controlling the roof laying the spent space. Moscow: IGD, 1972. Nauchnye razrabotki IGD im. A.A. Skochinskogo po sozdaniyu novoy tekhnologii dobychi uglya ikh krutykh plastov pri upravlenii krovley zakladkoy vyrabotannogo prostranstva. In Russian/Scientific developments of the A.A. Skochinsky Institute for the development of a new technology for extracting coal from their steep seams while controlling the laying of spent space on the roof. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7422997
Reference : 7422997
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