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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42418-2023 |
Grassroots government affairs disclosure work guide {译} 基层政务公开工作指南 |
China National Standards roots |
 English PDF |
| GB/T 40137-2021 |
Seeds and roots of pseudostellaria radix 太子参种子、种根 |
China National Standards roots |
English PDF |
| GB/T 36783-2018 |
Safety threshold values of cadmium, lead, chromium, mercury, and arsenic in upland soils for planting rootstalk vegetables 种植根茎类蔬菜的旱地土壤镉、铅、铬、汞、砷安全阈值 |
China National Standards roots |
English PDF |
| GB/T 25753.4-2015 |
Vacuum technology—roots vacuum pump— Measurement of performance characteristics—Part 4: Measurement of noise 真空技术 罗茨真空泵性能测量方法 第4部分：噪声的测量 |
China National Standards roots |
English PDF |
| GB/T 25753.3-2011 |
Vacuum technology - roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure 真空技术 罗茨真空泵性能测量方法 第3部分：溢流阀压差的测量 |
China National Standards roots |
English PDF |
| GB/T 25753.2-2010 |
Vacuum technology - roots vacuum pump - Measurement of performance characteristics - Part 2: Measurement of compression ratio of the zero throughput 真空技术 罗茨真空泵性能测量方法 第2部分：零流量压缩比的测量 |
China National Standards roots |
English PDF |
| GB/T 25753.1-2010 |
Vacuum technology - roots vacuum pump - Measurement of performance characteristics - Part 1: Measurement of maximum tolerable differential pressure 真空技术 罗茨真空泵性能测量方法 第1部分：最大允许压差的测量 |
China National Standards roots |
English PDF |
| GB/T 2888-2008 |
Methods of noise measurement for fans blowers compressors and roots blowers 风机和罗茨鼓风机噪声测量方法 |
China National Standards roots |
English PDF |
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