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Additional information
The recommended binder is cement of Mark 400.
Sibgiproshakt. Novosibirsk. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 4, pp. 97–99, July–August, 1971.
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Gorbachev, D.T., Oreshkin, A.N. Results of compression tests on coal-cement specimens, simulating a coal seam, in bench tests of machines for cutting steeply-dipping and inclined seams. Soviet Mining Science 7, 467–468 (1971). https://doi.org/10.1007/BF02501590
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DOI: https://doi.org/10.1007/BF02501590