Sune N. Flink

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Vasteras, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method for reducing material containing iron oxides
- Patent number 4,073,642
- Issue date Feb 14, 1978
- Stora Kopparbergs Bergslags Aktiebolag
- Per H. Collin
- C21 - METALLURGY OF IRON