Jan B. Kleijn

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Krommenie, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacture of hard steel sheet from Al-killed conti...
- Patent number 4,838,955
- Issue date Jun 13, 1989
- Hoogovens Groep B.V.
- Arie B. C. Edelman
- C21 - METALLURGY OF IRON