Sang Hyun Cho

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Pohang, KR

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Patents Applicationslast 30 patents

Information Patent Application
Method of Manufacturing a Steel Plate for Linepipe having Ultra-Hig...
- Publication number 20140158259
- Publication date Jun 12, 2014
- POSCO
- Seong Soo Ahn
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL PLATE FOR LINEPIPE HAVING ULTRA-HIGH STRENGTH AND EXCELLENT L...
- Publication number 20100074794
- Publication date Mar 25, 2010
- POSCO
- Seong Soo Ahn
- C21 - METALLURGY OF IRON