Laurent Fraisse

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Saint Faust, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for using biodegradable drilling muds
- Patent number 6,634,442
- Issue date Oct 21, 2003
- Elf Exploration Production
- Josiane Durrieu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...