GD

Gilbert Desbos

OS Otv Omnium De Traltements Et De Valorisation S.A.: 1 patents #1 of 3Top 35%
Overall (1989): #110,762 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4800021 Process for biologically purifying sewage on a bed of granular material — 1989-01-24