繊維強化ガイドリング フェノリック樹脂 高負荷 PFC-20 high strength fabrice resin guide ring is made of solute phenolic resin containing homogenously dispersed graphite......
高強度ガイド Fda フェノリックウェアリング 強化布 PFC-10 Guide Ring is made of high-strength laminated material based upon the thermosetting phenolic resin and reinfor......