About LEE J S
About Research Inst. Industrial Science & Technology, KOR
About KIM T W
About Research Inst. Industrial Science & Technology, KOR
About CHANG R W
About Research Inst. Industrial Science & Technology, KOR
About UM K W
About Hanyang Univ., KOR
About 溶接学会全国大会講演概要
About low alloy steel
About HT80 steel
About Weld defect
About 低合金鋼
About 溶接熱影響部
About 再熱割れ