Friedhelm Wojtek

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Hasbergen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Railway tongue and rail juncture
- Patent number 5,451,018
- Issue date Sep 19, 1995
- BWG, Butzbacher Weichenbau GmbH
- Fridbert Heinze
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES