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Muneo Maegawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,056,087 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4398725 Rotary shaft water seal device in hydraulic machine — 1983-08-16