7340| 0
|
GB/T 12230-2005 通用阀门不锈钢铸件技术条件(代替GB/T 12230-1989) |
| ||
|免责声明|手机版|Archiver|氟塑料论坛
( 苏ICP备14011106号-3 )
GMT+8, 2025-4-20 13:39 , Processed in 0.156819 second(s), 23 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.