Roger Kieger

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Metz, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining phosphoric pig iron
- Patent number 4,643,766
- Issue date Feb 17, 1987
- 501 Societe Lorraine de Laminage & Continu -Sollac-
- Roger Kieger
- C21 - METALLURGY OF IRON