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		 High-Speed boats 
 (Patent No. 10-0954409) 
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		 Hook gauge coupling structure for High-Speed boats (Patent No. 10-0540128)  
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		 Boats equipped with engine-directed thrusters (Patent No. 10-0954409)  
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		 Buoyancy device for High-Speed boats (Patent No. 10-1104353)  
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		 Boats chair 
 (Design Registration No. 30-059355) 

