About MITSUI YOSHIYUKI
About KUROBANE YOSHIAKI
About HARADA KATSUMI
About KONOMI MITSUO
About 日本鋼管
About 溶接学会論文集
About steel pipe
About Welding design,welded structures
About Material testing
About Metallic materials
About 鋼
About すみ肉溶接
About 継手
About 曲げ疲労
About 研究
About 曲げ
About 疲労寿命
About 推定
About 鋼管構造
About 溶接継手
About 疲労解析