2436| 0
|
HG/T 20592-2009 钢制管法兰(PN系列)(代替HG 20592~20605-1997) |
| ||
|免责声明|手机版|Archiver|氟塑料论坛
( 苏ICP备14011106号-3 )
GMT+8, 2025-3-12 01:15 , Processed in 0.110309 second(s), 22 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.