Hans J. Matthies

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Braunschweig, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and a device for producing highly compressed cylindrical bal...
- Patent number 5,020,311
- Issue date Jun 4, 1991
- Gebrueder Welger GmbH & Co. KG
- Hans J. Matthies
- B30 - PRESSES