Coal mining machine cuts swath wider than itself and cuts entry passages into coal seam in one pass.


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    Title :

    Miner for Cutting Entry Passages in Coal Seams


    Contributors:
    Knurovsky, T. (author) / Kiskis, J. (author)

    Published in:

    Publication date :

    1984-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


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