[化纤] FZ/T 52002-2012 锦纶短纤维Polyamide staple fibre,PDF |
| |
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, 2025-8-16 17:18 , Processed in 0.218750 second(s), 23 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.