Koninklijke Nederlandsche Hoogovens en Staalfabriken N.V.

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Ijmuiden, NL

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Patents Grantslast 30 patents

Information Patent Grant
Composition suitable for use in the plugging of the tapholes of a m...
- Patent number 3,994,738
- Issue date Nov 30, 1976
- Koninklijke Nederlandsche Hoogovens en Staalfabriken N.V.
- Reier Visser
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for the controlling of the conveyance of loos...
- Patent number 3,964,599
- Issue date Jun 22, 1976
- Koninklijke Nederlandsche Hoogovens en Staalfabriken N.V.
- Jean Marie van Langen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...