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Inventor
LEE CHOONG BEOM
KR
2 patents
Patents
2 patents
US8807917B2
Aug 19, 2014
Maintenance system of helical turbine
PARK JIN SOON
4 citations
67
US8740545B2
Jun 3, 2014
Maintenance system of helical turbine
PARK JIN SOON
0 citations
35