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Bernhard Rinner
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Kehl am Rhein, DE
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last 30 patents
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Patent Grant
Apparatus for directly making liquid pig-iron from coarse iron ore
Patent number
4,448,402
Issue date
May 15, 1984
Korf Engineering GmbH
Ralph Weber
C21 - METALLURGY OF IRON
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Patent Grant
Process for directly making liquid pig-iron from coarse iron ore
Patent number
4,409,023
Issue date
Oct 11, 1983
Korf-Stahl AG
Ralph Weber
C21 - METALLURGY OF IRON
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Patent Grant
Metallurgical melting apparatus with a blow-nozzle or burner capabl...
Patent number
4,392,637
Issue date
Jul 12, 1983
Korf-Stahl AG
Ralph Weber
C21 - METALLURGY OF IRON