Sven Olof Kjell Kjell-Berger

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Skovde, SW

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Patents Grantslast 30 patents

Information Patent Grant
Method at melting in a shaft furnace
- Patent number 3,958,919
- Issue date May 25, 1976
- Rockwool Aktiebolaget
- Sven Olof Kjell Kjell-Berger
- F27 - FURNACES KILNS OVENS RETORTS