DB

Dmitry F. Baldenko

VT Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki: 1 patents #1 of 3Top 35%
Overall (1989): #120,081 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823889 Downhole screw motor Leonid A. Kondratenko, Valery I. Semenets 1989-04-25