Cart:
Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| LY/T 3291-2021 |
Classification and classification of nature reserves{译} {译} 自然保护地分类分级 |
China Forestry Industry
Standards Classification classification nature |
 English PDF |
| DL/T 518.4-1993 |
Classification and codes for natures of electric power production equipment accidents 电力生产设备事故性质分类与代码 |
China Electricity & Power
Standards Classification classification nature |
English PDF |
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