架空通信线路配件 第4部分：抱箍类、光缆预留支架
Accessories for aerial-telecommunication line-Part 4: Hoop class and optical cable reservation bracket
2019-11-11
DL/T 765.1-2021
架空配电线路金具 第1部分:通用技术条件
Overhead distribution lines fittings-Part 1: General technical requirements
2021-04-26
DIN VDE 0446-3
Regulations for insulators for overhead power lines, overhead equipment and telecommunication lines; part 3: Regulations for fittings permanently connected to the insulators
架空电力线路、架空设备和通信线路用绝缘子的规定；第3部分:与绝缘子永久连接的配件的规定
1973-05-01
GA/T 527.1-2015
道路交通信号控制方式 第1部分:通用技术条件
Road traffic signal control mode—Part 1:General technical requirements