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Inventor
KWUN HYUK
KR
2 patents
Patents
2 patents
US9751603B2
Sep 5, 2017
Propulsion device for ship and ship comprising the same
SAMSUNG HEAVY IND
0 citations
35
US9694886B2
Jul 4, 2017
Variable-pitch-propeller drive device and pitch-angle control method, and boat having same
SAMSUNG HEAVY IND
0 citations
30