Wolfgang Ellinghaus

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Kaarst, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for rolling structural steel in a compact rolling mill
- Patent number 5,121,622
- Issue date Jun 16, 1992
- SMS Schloemann-Siemag Aktiegesellschaft
- Dietmar Kosak
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Compact rolling mill for rolling structural steel
- Patent number 5,020,354
- Issue date Jun 4, 1991
- SMS Schloemann-Siemag Aktiengesellschaft
- Dietmar Kosak
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...