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Ing. Gunter Klemm Spezialunternehmen fur Bohrtechnik

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  • Information Patent Grant

    Superposed drilling device
    • Patent number 4,840,238
    • Issue date Jun 20, 1989
    • Ing. Gunter Klemm Spezialunternehmen fur Bohrtechnik
    • Gunter Klemm
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth drilling device
    • Patent number 4,719,978
    • Issue date Jan 19, 1988
    • Ing. Gunter Klemm Spezialunternehmen fur Bohrtechnik
    • Gunter Klemm
    • E21 - EARTH DRILLING MINING

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