COAXIAL HEATING CABLE von STEPANCHUK T.G, JANCHENKO G.A, STEPANCHUK G.N, KUZ'MIN V.P, KOTOV E.A, SIMONOVICH ALEKSANDR IVANOVICH, MIKHALKEVICH IVAN MIKHAJLOVICH, TESLJA A.I, CHUR'JANOV JU.I

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METHOD FOR PRODUCTION OF HEAT ENERGY IN UNDERGROUND BURNING OF INCLINED AND STEEPLY DIPPING COAL SEAMS IN MINED OUT COLLIERIES von Kurdin V.M, Karkashadze G.G, Janchenko T.I, Janchenko G.A, Selivanov G.I

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DEVICE FOR UNDERGROUND BURNING OF COAL von Burchakov A.S, Chalyj K.P, Zakorshmennyj I.M, Rzhevskij V.V, Janchenko T.I, Janchenko G.A, Selivanov G.I

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