About IKENAGA AKIRA
About GOTO YOSHIYUKI
About NITTA YASUHIRO
About KAWAMOTO MAKOTO
About KOBAYASHI KOJIRO
About UENISHI KEISUKE
About nodular graphite cast iron
About Powder compacting,sintering
About 燃焼合成
About 球状黒鉛鋳鉄
About Ni
About Al
About 金属間化合物
About コーティング層