Henri Lalanne

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Pau, FR

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Patents Grantslast 30 patents

Information Patent Grant
Sealing system in a chemical apparatus between an enlosure of britt...
- Patent number 4,645,648
- Issue date Feb 24, 1987
- Societe Nationale Elf Aquitaine
- Henri Gongora
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL