31373831synthetic fiberPT2026-03-30 20:40:48UF31373832fibre, syntheticNDUF31373833synthetic fibresNDUF31373834fiber, syntheticNDUF31373835synthetic fibersNDBT31343622fiberPTNT31410887rayonPTNT31410888Dacron (TM)PTNT31410891optical fiberPTNT31410895polyesterPTNT31410898azlonPTNT31410904fiberfillPTNT31410899acrylicPTNT31320417nanofiberPTNT31410902cuproPTNT31485710carbon fiberPT