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Inventor
OK MINHWAN
KR
2 patents
Patents
2 patents
US11549622B2
Jan 10, 2023
Sealing device for hyper tube
KOREA RAILROAD RES INSTITUTE
2 citations
65
US11525912B2
Dec 13, 2022
Hyper-tube system using vehicle position detection
KOREA RAILROAD RES INSTITUTE
2 citations
65