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Karl-Heinz Heinen
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Siegen, DE
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last 30 patents
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Patent Grant
Tiltable metallurgical furnace vessel
Patent number
4,779,287
Issue date
Oct 18, 1988
Fried. Krupp GmbH
Peter Heidenreich
C21 - METALLURGY OF IRON
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Patent Grant
Tiltable metallurgical furnace vessel
Patent number
4,679,205
Issue date
Jul 7, 1987
Fried. Krupp GmbH
Peter Heidenreich
C21 - METALLURGY OF IRON
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Patent Grant
Apparatus and process for the metallurgical aftertreatment of preme...
Patent number
4,604,135
Issue date
Aug 5, 1986
Krupp Stahl AG
Karl-Heinz Heinen
B22 - CASTING POWDER METALLURGY