Ivor Pavetic

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for tunnel ventilation in normal conditions and i...
- Patent number 9,752,436
- Issue date Sep 5, 2017
- Ivor Pavetic
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method And System For Tunnel Ventilation In Normal Conditions And I...
- Publication number 20130137356
- Publication date May 30, 2013
- Ivor Pavetic
- E21 - EARTH DRILLING MINING