Joachim Bichel

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Arnsberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a belt pulley
- Patent number 5,072,509
- Issue date Dec 17, 1991
- Leifeld GmbH & Co.
- Joachim Bichel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...