18| 0
|
BS EN 12385-6-2004 钢丝绳 安全性 第6部分:矿井用多股绞合绳 |
| ||
|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, 2025-6-28 23:32 , Processed in 0.149248 second(s), 42 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.