About UTAGAWA NORIYUKI
About 佐藤工業
About KURODA CHITOSE
About 佐藤工業
About KATAKURA KAGEYOSHI
About 明篤技研
About SUGIMOTO TSUNEYOSHI
About UECHI ITSUKI
About 日本非破壊検査協会講演大会講演概要集
About nondestructive inspection
About reinforced concrete
About reinforced concrete structure
About acoustic exploration
About flaw inspection
About Nondestructive testing
About Concrete structures
About 放射音
About 非接触
About 欠陥検出
About はく離
About 試験体
About 探査
About 実験結果