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Inventor
OHM DAE YEOL
KR
2 patents
Patents
2 patents
US8217562B2
Jul 10, 2012
Ignition plug
OHM DAE YEOL
0 citations
39
US8471174B2
Jun 25, 2013
Method for welding tip of electrode in spark plug
OHM DAE YEOL
1 citations
38