VB

Vladimir F. Biitsev

📍 Ruse, BG: #190 of 655 inventorsTop 30%
Overall (All Time): #3,870,486 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4994644 Apparatus for overhead submerged arc welding Pavel A. Varenchuk, Valentin D. Kovalev, Vsevolod N. Bernadsky, Pavel S. Nefedov, Valentin P. Sadikov +1 more 1991-02-19