Karl-Heinz Papierok

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 4,408,477
- Issue date Oct 11, 1983
- Mannesmann Aktiengesellschaft
- Rolf Kummerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...