Jongyeol Yun

Follow

Person

Yongin, KR

People

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE VALVE FOR EXHAUST PIPE
- Publication number 20140158462
- Publication date Jun 12, 2014
- SEJONG INDUSTRIAL CO., LTD.
- Hakson Han
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES