Home / Standards / GB/T 18899-2023 GB/T 18899-2023 Active All dielectric self-supporting optical fibre cable 全介质自承式光缆 Standard Type GBT ICS 33.180.10 CCS M33 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A