JJ

Jan Janik

📍 Gliwice, PL: #27 of 90 inventorsTop 30%
Overall (All Time): #3,931,051 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842146 Pulsator for enriching, particularly hard coal Boleslaw Jondro, Herbert Pyka 1989-06-27