Henry Lesch

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Mouzon, FR

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Patents Grantslast 30 patents

Information Patent Grant
Ground covering with drainage-promoting members
- Patent number 4,405,665
- Issue date Sep 20, 1983
- Societe Internationale de Revetements de sol S.A. - S.I.R.S.
- Michel Beaussier
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES