YD/T 1181.1-2001.Secondary coating materials used for optical fiber Part 1: Polybutylene terephtalat...
YD/T 1181.1-2015 光缆用非金属加强件的特性 第1部分:玻璃纤维增强塑料杆
YD/T 1181.1-2015.Characteristics of non-metal reinforcement used for optical fiber cables Part 1:gla...