14434| 5
|
[技术规范] YD∕T 4085-2022 地下通信管道用预成型复合材料人手孔 |
![]() |
| |
版规|手机版|C114 ( 沪ICP备12002291号-1 )|联系我们 |网站地图
GMT+8, 2025-7-22 20:08 , Processed in 0.092660 second(s), 21 queries , Gzip On.
Copyright © 1999-2025 C114 All Rights Reserved