|
831| 3
|
[通信标准] YD╱T 841.2-2024《地下通信管道用塑料管 第2部分：实壁管》 |
|
| |
|
||
发表于 2025-3-27 09:47:50
版规|手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2025-4-2 04:22 , Processed in 0.087497 second(s), 20 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed