MH

Mamoru Hirako

TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Overall (All Time): #3,935,849 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4859293 Process for refining gold and apparatus employed therefor Nobuyasu Ezawa 1989-08-22