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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 42828.3-2023 |
General techniques for improving saline-alkali land Part 3: Biological improvement 盐碱地改良通用技术 第3部分:生物改良 |
China National Standards General techniques f |
English PDF |
GB/T 42828.2-2023 |
General techniques for improving saline-alkali land Part 2: Improvement of rice fields, ponds, fisheries and agriculture 盐碱地改良通用技术 第2部分:稻田池塘渔农改良 |
China National Standards General techniques f |
English PDF |
GB/T 32199-2015 |
Standard practice for General techniques for obtaining infrared spectra for qualitative analysis 红外光谱定性分析技术通则 |
China National Standards General techniques f |
English PDF |
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