[化纖] FZ/T 54023-2009 聚酰胺66氣囊用工業長絲Polyamide 66 industrial filament yarns ... |
| |
關于我們|手機版|下載說明|促織網
( 京ICP備14010041號-2|京公網安備11010502056754號 )
GMT+8, 2025-6-5 00:40 , Processed in 0.109375 second(s), 23 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.