Hartmut Wolff

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for the alternate winding-up and unwinding of strip-shaped m...
- Patent number 5,494,264
- Issue date Feb 27, 1996
- Mannesmann Aktiengesellschaft
- Hartmut Wolff
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...