Jahannes A.M. Butter

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Uitgeest, NL

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Patents Grantslast 30 patents

Information Patent Grant
Taphole construction of a shaft furnace
- Patent number 4,565,525
- Issue date Jan 21, 1986
- Hoogovens Groep B.V.
- Jacobus Van Laar
- C21 - METALLURGY OF IRON