About NISHI NAOMI
About リョービ
About KOMAZAKI TOORU
About リョービ
About TAKAHASHI YOSUKE
About リョービ
About aluminum base alloy
About Transformation structures,work structures
About Casting method,pouring
About アルミニウム合金
About ダイカスト
About 鋳物
About ミクロ組織
About 形成過程