Halbergerhuette GmbH

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Saarbruecken, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the introduction of nitrogen into cast iron
- Patent number 4,970,051
- Issue date Nov 13, 1990
- SKW Trostberg Aktiengesellschaft
- Friedrich Wolfsgruber
- C21 - METALLURGY OF IRON