Pierre Etchart

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Francheville, FR

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Patents Grantslast 30 patents

Information Patent Grant
Novel filter aid compositions for improving the limiting filterabil...
- Patent number 4,367,074
- Issue date Jan 4, 1983
- Elf France
- Paul Maldonado
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...