About YOSHII M
About Hitachi Ltd., Yokohama, JPN
About KURAMOTO H
About Hitachi Ltd., Yokohama, JPN
About KAWANA T
About Hitachi Ltd., Yokohama, JPN
About KATO K
About Tokyo Inst. Technol., Tokyo, JPN
About Polymer Engineering & Science
About polycarbonate
About flow mark
About Injection molding
About ポリカーボネート
About 精密
About 射出成形体
About フローマーク
About 観測
About 起源