Synonyme wurden verwendet für: Coal mines and mining
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21–40 von 288 Ergebnissen
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    Shuttle car haulage in difficult conditions

    Jamison, W.B. | Engineering Index Backfile | 1953
    Schlagwörter: Coal mines and mining

    New shuttle belt loader

    Engineering Index Backfile | 1953
    Schlagwörter: Coal mines and mining

    Shuttle cars in room-and-pillar block retreat panel system

    Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining

    Supplies and repairs centralized

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Shuttle cars handle output of Illinois mine

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Plan for coal

    Foot, R. | Engineering Index Backfile | 1945
    Schlagwörter: Coal mines and mining

      Plan for coal

      Foot, R. | Engineering Index Backfile | 1945
      Schlagwörter: Coal mines and mining

    Saving fuel at collieries

    Engineering Index Backfile | 1944
    Schlagwörter: Coal mines and mining

    Transportation service for Mobile loaders

    Paulick, P.R. | Engineering Index Backfile | 1944
    Schlagwörter: Coal mines and mining

    Man-riding colliery haulage

    Engineering Index Backfile | 1942
    Schlagwörter: Coal mines and mining

    Bituminous strippers install shovels and draglines and adopt larger automotive haulage units

    Engineering Index Backfile | 1941
    Schlagwörter: Coal mines and mining

    Twenty-seventh annual review and progress number

    Engineering Index Backfile | 1938
    Schlagwörter: Coal mines and mining

    Twenty-seventh annual review and progress number

    Engineering Index Backfile | 1938
    Schlagwörter: Coal mines and mining

    Coal in Natal

    Steart, F.A. | Engineering Index Backfile | 1930
    Schlagwörter: Coal mines and mining

    The Tilmanstone aerial ropeway

    Engineering Index Backfile | 1930
    Schlagwörter: Coal mines and mining

    Explosion at Blaenhirwaun colliery

    Jones, T.A. | Engineering Index Backfile | 1957
    Schlagwörter: Coal mines and mining

    Driving of tunnels at high speed

    Watt, R.G. | Engineering Index Backfile | 1956
    Schlagwörter: Coal mines and mining

    Discussion of methods of underground transportation practised in Cape Breton collieries of Dominion coal company, limited

    MacLean, E.S. | Engineering Index Backfile | 1954
    Schlagwörter: Coal mines and mining

    Armadillo heavy duty face conveyor

    Engineering Index Backfile | 1952
    Schlagwörter: Coal mines and mining

    New on-track shuttle car boosts loading time at face

    Engineering Index Backfile | 1952
    Schlagwörter: Coal mines and mining

    Better shuttle-car service

    Woolf, J.W. | Engineering Index Backfile | 1950
    Schlagwörter: Coal mines and mining