Georg Wessel

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Grefrath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Construction substructure
- Patent number 6,385,912
- Issue date May 14, 2002
- Schiess-Defries Engineering Immobilien-und Bautrager GmbH
- Georg Wessel
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES