DG

Daniil V Golubev

Overall (All Time): #2,738,705 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11065479 Portable air powered respirator Alexander Pinkus Rafalovich, Vladimir G Bulygin, Vladislav K Spiridonov 2021-07-20