Jan Tjeerd Smit

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Johannesburg, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Ore comminution process
- Patent number 6,793,166
- Issue date Sep 21, 2004
- James Anthony Jude Tumilty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ore comminution process
- Patent number 6,508,421
- Issue date Jan 21, 2003
- James Anthony Jude Tumilty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Ore comminution process
- Publication number 20030116662
- Publication date Jun 26, 2003
- James Anthony Jude Tumilty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...