About SHIMIZU K
About Kogakuin Univ., Tokyo, JPN
About IWAMOTO N
About Osaka Univ., Ibaraki, JPN
About AKAMATSU T
About Kogakuin Univ., Tokyo, JPN
About Transactions of the Japan Welding Society
About submerged arc welding
About Weld zone
About アルゴン雰囲気
About サブマージドアーク溶接
About 溶接
About 段階
About 酸素
About 窒素