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Karl-Heinz Deppner
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Voerde, DE
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last 30 patents
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Patent Grant
Method and apparatus for producing high chromium content steels and...
Patent number
6,544,471
Issue date
Apr 8, 2003
SMS Schloemann-Siemag Aktiengesellschaft
Wei-Ping Wu
C21 - METALLURGY OF IRON
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Patent Grant
Method and apparatus for producing high chromium content steels and...
Patent number
6,068,676
Issue date
May 30, 2000
SMS Schloeman-Siemag Aktiengesellschaft
Wei-Ping Wu
C21 - METALLURGY OF IRON