1630| 0
|
JB/T 1308.8-1999 PN250a 内外螺母型式、尺寸和技术条件 |
| ||
手机版|小黑屋|机械村 ( 渝ICP备17010994号-1|渝公网安备50022702001048号 )
GMT+8, 2024-11-23 22:36 , Processed in 0.014374 second(s), 3 queries , Gzip On, Redis On.
Powered by 机械村
Copyright © 2012- Jixiecun.com