Karl Spickermann

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Dorsten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Plate for cooling shaft furnaces
- Patent number 5,676,908
- Issue date Oct 14, 1997
- Man Gutenoffungshutte Aktiengesellschaft
- Axel Kubbutat
- C21 - METALLURGY OF IRON
Information Patent Grant
Liquid-carrying cooling element for shaft furnaces
- Patent number 5,251,882
- Issue date Oct 12, 1993
- MAN Gutehoffnungshutte AG
- Bruno Kammerling
- C21 - METALLURGY OF IRON