Werner Sievers

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Baldham, DE

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Patents Grantslast 30 patents

Information Patent Grant
Railroad roadway for high speed rail-mounted vehicles
- Patent number 4,905,896
- Issue date Mar 6, 1990
- Dyckerhoff & Widmann Aktiengesellschaft
- Josef Eisenmann
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES