Inventor

LEE JONGKANG

KR2 patents

Patents

2 patents

US10371453B2Aug 6, 2019

Double pipe heat exchanger and method of manufacturing the same

HS R & A CO LTD1 citations52

US11067340B2Jul 20, 2021

Double pipe heat exchanger and method for manufacturing the same

HS R & A CO LTD0 citations41