2953| 2
|
GB 2880-1981 液压缸活塞和活塞杆窄断面动密封沟槽尺寸系列和公差 |
| ||
| ||
手机版|小黑屋|机械村
( 渝ICP备17010994号-1|渝公网安备50022702001048号 )
GMT+8, 2025-3-13 07:25 , Processed in 0.030979 second(s), 3 queries , Gzip On, Redis On.
Powered by 机械村
Copyright © 2012- Jixiecun.com