[纤维] FZ/T 52008—2006(GB/T 14462-1993) 维纶短纤维 Vinylon cut fibre,PDF |
| |
相关帖子
|
|
关于我们|手机版|下载说明|促织网
( 京ICP备14010041号-2|
京公网安备11010502056754号 )
GMT+8, 2026-5-10 21:07 , Processed in 0.093750 second(s), 32 queries .
Powered by Discuz! X5.0
© 2001-2026 Discuz! Team.