Wilhelm Lachenmayer

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Detmold, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electric arc furnace for melting metal, especially steel
- Patent number 4,563,766
- Issue date Jan 7, 1986
- Benteler-Werke AG
- Klaus Bick
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Water-cooled box designed as wall element for a melting furnace
- Patent number 4,275,258
- Issue date Jun 23, 1981
- Benteler-Werke AG
- Lothar Harmsen
- F27 - FURNACES KILNS OVENS RETORTS