Bertrand Steff de Verninac

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Pont a Marco, FR

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Patents Grantslast 30 patents

Information Patent Grant
Milling machine for digging trenches in the earth
- Patent number 4,844,549
- Issue date Jul 4, 1989
- Soletanche
- Bertrand Steff de Verninac
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING