Jacob Rengersen

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Sint-Pancras, NL

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Patents Grantslast 30 patents

Information Patent Grant
Shaft furnace having a metal shell, a refractory lining and cooling...
- Patent number 4,619,441
- Issue date Oct 28, 1986
- Hoogovens Groep B.V.
- Jacob Felthuis
- C21 - METALLURGY OF IRON
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