Inventor

KIM SUNG-HYEOK

KR2 patents

Patents

2 patents

US9599251B2Mar 21, 2017

Check valve driving device for injecting gas

HYUN DAI HEAVY IND CO LTD0 citations45

US9482362B2Nov 1, 2016

Check valve for injecting gas

HYUN DAI HEAVY IND CO LTD1 citations45