12| 0
|
DIN 12212:2023-01 实验室玻璃器皿 带真空法兰的连接Laboratory glassware - Connections with vacuu |
匿名
发表于 2023-12-21 17:09:59
|阅读模式
| |
|小黑屋|标准知识分享 ( 闽ICP备19022192号-2 )
GMT+8, 2024-5-19 22:02 , Processed in 0.156250 second(s), 23 queries .