Krzysztof Koczela

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Swiebodzin, PL

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Patents Grantslast 30 patents

Information Patent Grant
Installation for nitriding-sulphidizing of steel and iron elements
- Patent number 4,165,867
- Issue date Aug 28, 1979
- Politechnika Lodzka
- Zdzislaw Has
- C21 - METALLURGY OF IRON