1–6 von 6 Ergebnissen
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    Economic aspects to fuel cell mine applications

    Lacroix, Roger / Betournay, Marc C. / Laflamme, Marcel et al. | Tema Archiv | 2007

    Underground fuel cell loader design and performance

    Barnes, David L. / Velev, Omourtag / Brown, Bryan et al. | Tema Archiv | 2007

    Fuel cell aspects and future developments needed for mining

    Miller, Arnold R. / Barnes, David L. / Betournay, Marc C. et al. | Tema Archiv | 2007

    DEVELOPMENT OF ROMANIAN COMERCE

    David, L. / Ghinoiu, I. / Tircomnicu, E. | British Library Conference Proceedings | 2011

    GUIDE FOR TOP DRIVE UNIT

    Freier Zugriff
    GORDON ROBERT L / GILLESPIE RONALD K / WILLIAMS DAVID L et al. | Europäisches Patentamt | 2021

    CONTINUOUS TRAJECTORY CALCULATION FOR DIRECTIONAL DRILLING

    Freier Zugriff
    NGUYEN HUNG / SORENSON LOGAN D / WALTER DAVID L et al. | Europäisches Patentamt | 2023