Dieter Poller

Person

  • Dortmund, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for lining tunnels

    • Patent number 4,247,221
    • Issue date Jan 27, 1981
    • Kali und Salz AG
    • Hans Lewer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Process for suppressing dust in mines

    • Patent number 4,190,292
    • Issue date Feb 26, 1980
    • Chemische Fabrik Kalk GmbH
    • Harald Johannes
    • E21 - EARTH DRILLING MINING