Louis Robert

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Port La Nouvelle, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and installation of treating raw material for producing cement
- Patent number 4,028,049
- Issue date Jun 7, 1977
- Ciments Lafarge S.A.
- Rene Naudy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES