25| 0
|
YDT 839.3-2000 通信电缆光缆用填充和涂覆复合物 第3部分 冷应用型填充复合物 |
| ||
|站长QQ:22646427|Archiver|手机版|小黑屋|查规范网
( 粤ICP备2024184902号-1 )|网站地图
GMT+8, 2025-6-30 15:39 , Processed in 0.137499 second(s), 42 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.