HG

Helmut Grey

GF Georg Fischer: 1 patents #60 of 149Top 45%
Overall (All Time): #3,825,734 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5217658 Method for repairing a hot-blast long-time cupola furnace Hans Schmidt, Max Lehner 1993-06-08