TREA

Jacobus H Jordaan

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Patents Grantslast 30 patents

  • Information Patent Grant

    Mining method
    • Patent number 6,851,757
    • Issue date Feb 8, 2005
    • Eskom
    • Dirk B Fourie
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Mining method
    • Publication number 20030168903
    • Publication date Sep 11, 2003
    • Dirk B Fourie
    • E21 - EARTH DRILLING MINING