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  1. 1
    METHOD OF CHAMBERS VENTILATION IN MINING THICK BED BY CHAMBER SYSTEM

    METHOD OF CHAMBERS VENTILATION IN MINING THICK BED BY CHAMBER SYSTEM von TROFIMOV N.A, KULTYGIN V.I, LEN'SHIN A.A, MOKHIREV N.N

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  2. 2
    PROCESS OF VENTILATION OF CHAMBERS WHEN DEVELOPING THICK SEAM BY CHAMBER MINING SYSTEM

    PROCESS OF VENTILATION OF CHAMBERS WHEN DEVELOPING THICK SEAM BY CHAMBER MINING SYSTEM von TROFIMOV N.A, KULTYGIN V.I, LEN'SHIN A.A, MOKHIREV N.N

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  3. 3
    METHOD FOR PROCESSING SECONDARY GOLD-CONTAINING MATERIAL TO PURE GOLD

    METHOD FOR PROCESSING SECONDARY GOLD-CONTAINING MATERIAL TO PURE GOLD von TERTICHNYJ A.I, BULANOV V.V, KRYSHCHENKO I.K, NEJLAND A.B, OBREZUMOV V.P, KRYSHCHENKO K.I, VORONTSOV A.A, SOSNER E.M, LEN'SHIN I.D, NIKOL'SKIJ A.A, BULANOV JU.V, KUTEPOV A.N, DORONICHEVA L.A, DZEGILENOK V.N

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