Home / Standards / GB/T 28518-2012 GB/T 28518-2012 Active Flame resistant optical fibre cables for communication for mine 煤矿用阻燃通信光缆 Standard Type GBT ICS 33.180.10 CCS M33 Status 现行 Issue Date 2012-06-29 Implementation 2012-10-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A