海量图书期刊资源，随时随地畅享阅读乐趣
THE CRYSTAL STRUCTURE AND THE REFRACTIVE INDEX OF DRAWN AND ANNEALED POLY (ETHER-ETHER-KETONE) (PEEK) FIBERSShimizu, Jiro; Kikutani, Takeshi; Ookoshi, Yutaka; Takaku, Akira · Sen'i Gakkaishi · 1985