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Inventor
CHOI HYUN K
CA
2 patents
Patents
2 patents
US5017754A
May 21, 1991
Plasma reactor used to treat powder material at very high temperatures
HYDRO QUEBEC
37 citations
89
US5254829A
Oct 19, 1993
Use of a plasma torch to open a tap hole in a metal furnace
HYDRO QUEBEC
11 citations
71