Jean-Marie Siebert

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Forbach, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of petroleum resins suitable for the ma...
- Patent number 4,983,682
- Issue date Jan 8, 1991
- Norsolor S.A.
- Paul Badie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...