Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 10731-2021 |
Code for design, construction and acceptance of underground waterproof and airtight walls in coal mines {译} 煤矿井下防水密闭墙设计施工及验收规范 |
China Energy Industry
Standards airtight |
 English PDF |
| NB/T 10949-2022 |
Protective airtight door for refuge chamber {译} 避难硐室用防护密闭门 |
China Energy Industry
Standards airtight |
English PDF |
| Find out:2Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
