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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DZ/T0064.70-2021 |
Methods for analysis of groundwater quality Part 70: Determination of oxygen consumption Potassium dichromate titration method {译} 地下水质分析方法 第70部分：耗氧量的测定重铬酸钾滴定法 |
China Geology & Mineralogy Industry
Standards 70: |
 English PDF |
| YY 9706.270-2021 |
Medical electrical equipment Part 2-70: Particular requirements for basic safety and essential performance of sleep apnea therapy equipment {译} 医用电气设备 第2-70部分：睡眠呼吸暂停治疗设备的基本安全和基本性能专用要求 |
China Pharmaceutics Industry
Standards 70: |
English PDF |
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