About TAKEDA TETSUJIRO
About 新日本製鉄製品技研
About AIHARA SHIYUJI
About 新日本製鉄製品技研
About YAMATO KAZUNARI
About 新日本製鉄製品技研
About GONDO HISASHI
About 新日本製鉄製品技研
About low melting metal
About Mechanical properties
About 低融点金属
About 鋼
About 研究
About Zn
About 合金元素