Thyssen Stahl Aktiegesellschaft

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Duisburg, DE

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Method of producing a steel strip having a thickness of less than 1...
- Patent number 4,962,808
- Issue date Oct 16, 1990
- Thyssen Stahl Aktiegesellschaft
- Erich Hoffken
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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