GB/T 4728.9-2022

Active

Graphical symbols for electrical diagrams—Part 9： Telecommunications :Switching and peripheral equipment

电气简图用图形符号 第9部分：电信：交换和外围设备

Standard Type
GBT
ICS
29.020
CCS
K04
Status
现行
Issue Date
2022-10-14
Implementation
2023-05-01
Responsible Dept
国家标准委
Drafting Unit
N/A