FERROSTAAL AKTIENGESELLSCHAFT

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6136065 Method and device for direct reduction of ore finesExpiredOct 05, 98Oct 24, 00[C21B]
5072754 Mounting arrangement of a flow target plate of a fluidized-bed reactorExpiredNov 28, 90Dec 17, 91[B01F]

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