YH

Yasumasa Homma

CC Chiyoda Chemical Entineering & Constructions Co.: 1 patents #41 of 119Top 35%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4191636 Process for hydrotreating heavy hydrocarbon oil Yoshio Fukui, Yoshimi Shiroto, Mamoru Ando 1980-03-04