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Youn-Il CHUNG
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Incheon, KR
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last 30 patents
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Patent Application
WHEEL DISC AND METHOD OF MANUFACTURING THE SAME
Publication number
20220241840
Publication date
Aug 4, 2022
POSCO
Hong-Gee Kim
B60 - VEHICLES IN GENERAL
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Patent Application
VEHICLE PART HAVING HIGH STRENGTH AND EXCELLENT DURABILITY, AND MAN...
Publication number
20190003004
Publication date
Jan 3, 2019
POSCO
Yeol-Rae CHO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...