About ARAKI TOSHIAKI
About YAMADA TAKESHI
About MATSUMURA HIROYUKI
About NOMOTO TOSHIHARU
About 溶接学会論文集
About carbon steel
About Other plastic workings
About Other physical and mechanical properties
About Piping fittings,valves
About 環状
About 局部加熱
About 重層
About 管製造
About 開発
About 研究
About 管
About 縮径
About 現象