Hans H. Gross

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Erkrath, DE

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Patents Grantslast 30 patents

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Process and apparatus for the removal or controlled reduction of ad...
- Patent number 4,455,706
- Issue date Jun 26, 1984
- Ing. Jurgen Volkmann, GmbH
- Jurgen Volkmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...