116| 0
|
GB/T 32378-2015 玻璃纤维增强热固性塑料(GRP)管 湿态环境下长期极限弯曲应变和长期极限相对环变形的测定 |
| ||
Archiver|手机版|小黑屋|全标网 ( 沪ICP备2021120899号 )
GMT+8, 2024-5-21 00:49 , Processed in 0.063145 second(s), 31 queries .
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.