Home / Standards / GB/T 18898.2-2008 GB/T 18898.2-2008 Abolished Erbium-Doped fiber amplifier - L-band erbium doped fiber amplifier 掺铒光纤放大器 L波段掺铒光纤放大器 Standard Type GBT ICS 33.180.20 CCS M33 Status 废止 Issue Date 2008-03-31 Implementation 2008-11-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A