4708| 0
|
[综合讨论区] 镁晶板成品防火风管 耐火极限0.5h-3h |
| ||
漂珠板材料生产商;漂珠板是一种轻质 耐火 隔热的新型防火板,诚部分区域合作伙伴186 1613 2003
|
||
|Archiver|手机版|小黑屋|风管行业门户网
( 沪ICP备17011661号-3 )
GMT+8, 2025-4-4 07:12 , Processed in 0.059355 second(s), 27 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.