Home / Standards / GB/T 9771.4-2000 GB/T 9771.4-2000 Abolished The series of single-mode optical fibres for telecommunication--Part 4:Characteristics of a dispersion shifted single-mode optical fibre 通信用单模光纤系列 第4部分:色散位移单模光纤特性 Standard Type GBT ICS 33.180.10 CCS M33 Status 废止 Issue Date 2000-10-17 Implementation 2001-06-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A