CC

Chang-Young Choi

KC Korea Zinc Co.: 1 patents #1 of 2Top 50%
📍 Yongin-si, KR: #96 of 324 inventorsTop 30%
Overall (2003): #251,165 of 273,478Top 95%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6669894 Roaster with stabilized fluidized bed for roasting zinc concentrate Young-Gae Chun 2003-12-30