OV

Olli Virtanen

OA Oy Lohja Ab: 1 patents #2 of 7Top 30%
📍 Maaninka, FI: #1 of 2 inventorsTop 50%
Overall (1989): #72,063 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4865887 Procedure for the production of concrete elements — 1989-09-12