13223| 10
|
[行业标准] SYT 4109-2005 石油天然气钢质管道无损检测 |
| ||
点评
点击pdf文件 下载
| ||
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2025-4-27 01:00 , Processed in 0.032765 second(s), 16 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.