"OFU" Ofenbau-Union GmbH

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Dusseldorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Continuous furnace
- Patent number 4,057,233
- Issue date Nov 8, 1977
- "OFU" Ofenbau-Union GmbH
- Robert Spessert
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Continuous heating furnace for elongated metal ingots
- Patent number 4,035,142
- Issue date Jul 12, 1977
- "OFU" Ofenbau-Union GmbH
- Ernst Hatzenbichler
- C21 - METALLURGY OF IRON