BE

Boris N. Efremov

Overall (All Time): #4,050,823 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4380528 Silver-based alloy Jury F. Shevakin, Efim S. Shpichinetsky, Valentina P. Fedorenko, Maria N. Klevchenkova, Ivan A. Andrjuschenko +8 more 1983-04-19