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Chang Hak Soo

Seoul, KR: #24,369 of 39,741 inventorsTop 65%

Overall (All Time): #3,679,999 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5734111	Apparatus for measuring the flow quantity of rivers and method thereof	—	1998-03-31