Home / Standards / GB/T 13993.1-1992 GB/T 13993.1-1992 Abolished The series of optical fibre cables for telecommunication--General 通信光缆系列 总则 Standard Type GBT ICS 33.180.10 CCS M33 Status 废止 Issue Date 1992-12-19 Implementation 1993-08-01 Responsible Dept N/A Drafting Unit N/A