Michel R. De Spiegeleer

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Hombeek, BE

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Patents Grantslast 30 patents

Information Patent Grant
Railway switching points
- Patent number 4,105,175
- Issue date Aug 8, 1978
- Gestivalmo Societe Anonyme Holding
- Michel R. De Spiegeleer
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES