Roberto Fabbri

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S. Sofia (Forli), IT

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Patents Grantslast 30 patents

Information Patent Grant
Device for the internal occlusion of tubular foundation piles
- Patent number 4,826,357
- Issue date May 2, 1989
- Riva Calzoni S.p.A.
- Oneglio Sala
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING