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Mititoshi Mitumaru

KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #3,973,065 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4660839 Endless backup ring for hydraulic apparatus seal — 1987-04-28