Jean Marie van Langen

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Bergen, NL

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Patents Grantslast 30 patents

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...