About SHIRASAKA HITOSHI
About Hokushin Corp., Yokohama, JPN
About YAMASHITA MEGUMI
About Hokushin Corp., Yokohama, JPN
About INAGAKI TADAHIRO
About Hokushin Corp., Yokohama, JPN
About INOUE SHIN'ICHI
About Aichi Inst. Technol., Aichi, JPN
About OKAMOTO HIROSHI
About Aichi Inst. Technol., Aichi, JPN
About 日本ゴム協会誌
About polytetramethylene oxide
About Polyurethanes
About ポリウレタン
About 連鎖
About 分布
About 規制
About PTMG