About TSUNEKAWA YOSHIKI
About OKUMIYA MASAHIRO
About MORI NAOTAKE
About KOSUGI TOSHIHIKO
About NIIMI ITARU
About die casting
About 放電融合
About Other surface treatment
About Ceramic coating to metallic materials
About 放電
About 融合
About ダイカスト
About アルミニウム合金
About TiC
About TiAl
About 複合層