Karl-Erik Johansson

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Hagfors, SE

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Patents Grantslast 30 patents

Information Patent Grant
Steel alloy
- Patent number 4,236,920
- Issue date Dec 2, 1980
- Uddeholms Aktiebolag
- Vaino Lampe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...