20| 0
|
SJT 10161.4-1991 真空橡胶密封平面法兰 旋转法兰尺寸 |
| ||
|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, 2025-10-13 04:42 , Processed in 0.159425 second(s), 42 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.