Paul Pfeiffer

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Esch, Alzette, LU

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for making expanded slag
- Patent number 4,115,089
- Issue date Sep 19, 1978
- Acieries Reunies de Burbach-Eich-Dudelange S.A. Arbed
- Paul Metz
- C21 - METALLURGY OF IRON