Treffer 1 - 3 von 3 für Suche 'LI Tsyuanshen', Suchdauer: 0,34s Treffer weiter einschränken
  1. 1
    METHOD OF WATER PROTECTION/PURIFICATION BY REPEATED FILLING OF FORMATION DESTRUCTED BY COAL MINING, IRON-CONTAINING WASTE WATER

    METHOD OF WATER PROTECTION/PURIFICATION BY REPEATED FILLING OF FORMATION DESTRUCTED BY COAL MINING, IRON-CONTAINING WASTE WATER von TSZYUJ, Tszinfen, LI, Tsyuanshen, SYUJ, Tszyalin

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  2. 2
    DISTRIBUTED UNDERGROUND RESERVOIR FOR COAL MINES ARTIFICIAL DAM AND ITS ERECTION METHOD

    DISTRIBUTED UNDERGROUND RESERVOIR FOR COAL MINES ARTIFICIAL DAM AND ITS ERECTION METHOD von GU Dachzhao, LI Tsyuanshen, TSAO Chzhigo, CHEN Sushe

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  3. 3
    COAL MINE UNDERGROUND RESERVOIR ARTIFICIAL RETAINING DAM AND SAFETY COAL PILLAR, SURROUNDING ROCK AND RETAINING DAM CONNECTION METHOD

    COAL MINE UNDERGROUND RESERVOIR ARTIFICIAL RETAINING DAM AND SAFETY COAL PILLAR, SURROUNDING ROCK AND RETAINING DAM CONNECTION METHOD von GU Dachzhao, LI Tsyuanshen, CHZHAN Kaj, CHEN Sushe

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