Gerard Sauterel

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Fribourg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for screwing and unscrewing the tie screws of a railroad an...
- Patent number 5,615,616
- Issue date Apr 1, 1997
- Scheuchzer S.A.
- Antoine Scheuchzer
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES