GB/T 12357.4-2026

Upcoming

Multimode optical fibres for telecommunication—Part 4: Sectional specification for category A4 multimode fibres

通信用多模光纤 第4部分：A4类多模光纤特性

Standard Type
GBT
ICS
33.180.10
CCS
M33
Status
即将实施
Issue Date
2026-03-31
Implementation
2026-10-01
Responsible Dept
工业和信息化部（通信）
Drafting Unit
N/A