Yves Roca

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Leblanc Mesnil, FR

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Patents Grantslast 30 patents

Information Patent Grant
Composition cimentaire hydraulique a prise retardee pour cimentatio...
- Patent number 4,681,634
- Issue date Jul 21, 1987
- Coatex S.A.
- Yves Roca
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES