Laszlo Kis-Tamas

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Sandal Wakefield, GB

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Patents Grantslast 30 patents

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Mining method for working large-scale mineral deposits by the cavin...
- Patent number 4,799,738
- Issue date Jan 24, 1989
- Tatabanyai Szenbanyak
- Andras Solymos
- E21 - EARTH DRILLING MINING