Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 51005-2012 |
Design compiling specifications of coal uncovering in mine passageway 井巷揭煤设计编制规范 |
China Energy industry
Standards uncovering |
 English PDF |
| NB/T 51004-2012 |
Specifications for compiling geology instructions of coal uncovering in mine passageway 井巷揭煤地质说明书编制规范 |
China Energy industry
Standards uncovering |
English PDF |
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