Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 51024-2014 |
Technology of solid backfilling materials porous bottom unloading conveyor type 固体充填材料多孔底卸式刮板输送机技术条件 |
China Energy industry
Standards Technology solid backfilling |
 English PDF |
| NB/T 51021-2014 |
Technology of crawler walk type solid backfilling materials reproduced conveyor 履带行走式固体充填材料带式转载机技术条件 |
China Energy industry
Standards Technology solid backfilling |
English PDF |
| NB/T 51018-2014 |
Throwing-type backfilling technology with solid materials in working face specifications 采煤工作面固体抛投式充填方法 |
China Energy industry
Standards Technology solid backfilling |
English PDF |
| Find out:3Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
