About AMIMOTO TOSHIYUKI
About 日立 生産技研
About ISHIGAMI TAKASHI
About 日立 生産技研
About MURAKAMI HIROYA
About KURAGANO MITSURU
About TANIGUCHI MOTOYA
About 日立 生産技研
About KAWANA TAKESHI
About 日立 生産技研
About bending(plastic working)
About Press working
About モーメント
About 曲げ
About 熱交換器
About 2枚重ね