Home / Standards / GB/T 28504.1-2012 GB/T 28504.1-2012 Active Rare earth doped optical fibre - Part 1: Characteristics of double-cladding ytterbium-doped optical fibre 掺稀土光纤 第1部分：双包层掺镱光纤特性 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