Andreas Dietrich

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Fuchstal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for extracting a tool from a hollow object and tool for mach...
- Patent number 6,684,678
- Issue date Feb 3, 2004
- Hirschvogel Umformtechnik GmbH
- Peter Kettner
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...