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Patents Grantslast 30 patents

Information Patent Grant
Fluidized bed arrangement for the production of molten pig iron and...
- Patent number 4,805,880
- Issue date Feb 21, 1989
- Voest-Alpine Akt.
- Rolf Hauk
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of molten pig iron and steel pre-products
- Patent number 4,728,360
- Issue date Mar 1, 1988
- Voest-Alpine Akt.
- Rolf Hauk
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing molten pig iron or steel pre-products from part...
- Patent number 4,708,736
- Issue date Nov 24, 1987
- Voest-Alpine Akt.
- Rolf Hauk
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and a plant for the direct reduction of iron oxide particle...
- Patent number 4,699,655
- Issue date Oct 13, 1987
- Voest-Alpine Akt.
- Konstantin Milionis
- C21 - METALLURGY OF IRON

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