HR

Helmut W/u/ rfel

📍 Blieskastel, DE: #50 of 91 inventorsTop 55%
Overall (All Time): #4,045,664 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4487684 Process for hydrogenation of coal — 1984-12-11