Societe B.M. Costamagna

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Cagnes-sur-Mer, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process of railroad tie concrete casting
- Patent number 4,204,660
- Issue date May 27, 1980
- Societe B.M. Costamagna
- Jean-Louis J. Feuillade
- B28 - WORKING CEMENT, CLAY, OR STONE