Jan C. Groothuizen

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Wijk aan Zee, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of marking a hot steel slab
- Patent number 4,623,561
- Issue date Nov 18, 1986
- Hoogovens Groep B.V.
- Jan C. Groothuizen
- B22 - CASTING POWDER METALLURGY