Certificate 4 PAGE

KOR

ENG

CHN

KOR

ENG

CHN

Marine Wet Scrubber System

Korean Intellectual Property Office Patent No. 10-2027237

MS-SOx Trademark Registration

Korean Intellectual Property Office Patent No.40-1501878

Venturi Integrated Scrubber Device

Korean Intellectual Property Office Patent No.10-1955862

Sea Water Circulation System with Functions for Supplying Se…

Korean Intellectual Property Office Patent No. 10-1940954

Seawater Circulation System For Ship

Republic of Singapore The Patent Act Certificate Issued Under Sectio..

Venturi Integrated Scrubber Device

International Patent Application PCT/KR2019/004959

Marine Seawater Circulation System

Korean Intellectual Property Office Patent No. 10-1917097

Scrubber Apparatus Having Intergrated Venturi

Republic of Singapore The Patent Act Certificate Issued Under Sectio..

Venturi Integrated Scrubber Device

Korean Intellectual Property Office Patent No.10-1895192

Scrubber Apparatus Having Intergrated Venturi

Scrubber Apparatus Having Intergrated Venturi International Patent A..

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