Henri Dayre

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Vienne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of bituminous compositions making use o...
- Patent number 4,242,246
- Issue date Dec 30, 1980
- Elf-Union
- Paul Maldonado
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...