PG

Pierre F. Guigon

CF Charbonnages De France: 1 patents #1 of 9Top 15%
Overall (1989): #138,608 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796691 Fluidized bed heat exchange apparatus Jean-Francois Large 1989-01-10