Norrbottens Jarnverk AB

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Lulea, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method apparatus for increasing blast gas temperature in a shaft fu...
- Patent number 4,072,502
- Issue date Feb 7, 1978
- SKF Industrial Trading and Development Co. B.V.
- Sven Santen
- C21 - METALLURGY OF IRON
Information Patent Grant
Arrangement for feeding
- Patent number 3,970,290
- Issue date Jul 20, 1976
- SKF Industrial Trading and Development Company, B.V.
- Sven Santen
- C21 - METALLURGY OF IRON