About MUROTA SHOJI
About 新日本製鉄電子・制御研開セ
About FUJIKAKE YOICHI
About 新日本製鉄電子・制御研開セ
About FUJII SATOSHI
About 新日本製鉄電子・制御研開セ
About KAWASHIMA KATSUHIRO
About 新日本製鉄電子・制御研開セ
About sound wave scanning
About Nondestructive testing
About 電子走査
About 超音波探傷
About 基礎実験
About 鋼管
About 傷