KM

Keizi Muramatsu

AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Overall (All Time): #4,021,187 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4540184 Sand-filled sealing structure between at least one tube and a tube support plate Kunio Takahashi, Noriyuki Oda, Nobuyuki Kido 1985-09-10