Bjorn Widell

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Vesteras, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method of reducing finely grained material containing iron oxides i...
- Patent number 4,084,958
- Issue date Apr 18, 1978
- Stora Kopparbergs Bergslags Aktiebolag
- Per Harald Collin
- C21 - METALLURGY OF IRON
Information Patent Grant
Melt reduction of iron ore
- Patent number 4,080,195
- Issue date Mar 21, 1978
- ASEA Aktiebolag
- Bjorn Widell
- C21 - METALLURGY OF IRON