FH

Fumio Hiramatsu

NC Nippon Oil Seal Industry Co.: 1 patents #4 of 17Top 25%
Overall (All Time): #4,102,637 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4306729 Sealing material Kenichi Ohsone, Tatsuaki Yukimasa 1981-12-22