Societe Anonyme Couvrot Laine & Cie

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Croix, FR

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Patents Grantslast 30 patents

Information Patent Grant
Mixer with a fixed drum
- Patent number 4,453,831
- Issue date Jun 12, 1984
- Societe Anonyme Couvrot Laine & Cie
- Jean Mahon
- B28 - WORKING CEMENT, CLAY, OR STONE