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Nagayasu Yanata

DC Dowa Mining Co.: 1 patents #157 of 324Top 50%
Overall (All Time): #3,579,553 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6221232 Electrolytic refining method for gallium and apparatus for use in the method Kenichi Tayama, Kishio Tayama 2001-04-24