NS

Nikolai Schevtschenko

Overall (1982): #20,551 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351190 Ultrasonic non-destructive testing device for welding beads Wilfried Rehme, Anatoly Stipura, Victor Ripnyi, Leonid Donskoi 1982-09-28