NK

Norimitsu Kai

AC Asahi Organic Chemicals Industry Co.: 1 patents #21 of 67Top 35%
Overall (All Time): #3,344,343 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7637478 Seat ring with insert for butterfly valve, and manufacturing method thereof Tatsuya Sakagami 2009-12-29