Home / Standards / GB/T 20186.3-2023 GB/T 20186.3-2023 Active Secondary coating materials used for optical fibre—Part 3: Modified polycarbonate 光纤用二次被覆材料 第3部分:改性聚碳酸酯 Standard Type GBT ICS 33.180.10 CCS M33 Status 现行 Issue Date 2023-12-28 Implementation 2024-04-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A