SC

Sergei N. Chumak

📍 Sverdlovsk, UA: #33 of 121 inventorsTop 30%
Overall (All Time): #3,958,808 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4770051 Automatic system for analysis of ground material size Semen I. Korisch, Petr S. Yasenev 1988-09-13