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Leopold Seirlehner
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Linz, AT
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last 30 patents
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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
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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