I.P.A. S.p.A. Industria Prefabbricati

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Patents Grantslast 30 patents

Information Patent Grant
Components for ballast-less railroad lines laid on pre-fabricated r...
- Patent number 4,703,890
- Issue date Nov 3, 1987
- I.P.A. S.p.A. Industria Prefabbricati
- Pietro Tognoli
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES