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  • Sammarco, J. J.
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    Intrinsically Safe 5-V, 4-A Rechargeable Power Supply.
    Bureau of Mines, Pittsburgh, PA
    IC 9223
    IC 9223
    1989
    15 p.

  • Sammarco, J. J.
    view article (1.0)

    Field Evaluation of the Modular Azimuth and Positioning System (MAPS) for a Continuous Mining Machine.
    Bureau of Mines, Pittsburgh, PA
    IC 9354
    IC 9354
    1993
    17 p.