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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| LY/T 3251-2021 |
Technical regulations for afforestation of jujube on difficult sites {译} 困难立地沙枣造林技术规程 |
China Forestry Industry
Standards difficult |
 English PDF |
| SN/T 4152-2015 |
(Chemicals difficult test substance aquatic test classification) 化学品 难测试物质水生试验分类方法 |
China Import Export Inspection
Standards difficult |
English PDF |
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