GV

Gilles Variot

EF Elf France: 1 patents #61 of 154Top 40%
Overall (All Time): #3,994,307 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4584064 Device and installations for the distillation by thin layer evaporation particularly of hydrocarbons, and process for operating this device Andre Ciais 1986-04-22