Riekelt de Boer

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Heemskerk, NL

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Patents Grantslast 30 patents

Information Patent Grant
Shaft furnace
- Patent number 5,503,373
- Issue date Apr 2, 1996
- Hoogovens Groep B.V.
- Gijsbertus Schellingerhout
- C21 - METALLURGY OF IRON