FO

Fumio Ogahara

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #4,013,749 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4512421 Method for drilling coke oven top brick — 1985-04-23