Phenolic Resins Laminates 酚醛樹脂碾壓 Technical Specification Of Phenolic Resins Laminates 酚醛樹脂碾壓的技術規格 Characteristics & Application 特征 應用 Drilling backboard.Suitable for PCB/PWB drilling operation backboard. 底板的鉆孔.適用于PCB/PWB的底板鉆孔 Resin 樹脂 Phenolic Resin 酚醛樹脂 NEMA standard NEMA標準 X JIS standard JI