About MORIHAMA KAZUMASA
About ISAMI KAZUHIRO
About WATANABE HIROSHI
About 日本非破壊検査協会講演大会講演概要集
About ultrasonic test
About reinforcing bar joint
About welded joint
About flaw inspection
About crack
About flaw
About Nondestructive testing
About Welding design,welded structures
About 鉄筋
About 溶接継手
About 超音波探傷
About 研究
About 直角
About 走査法