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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/Z 27426-2022 |
Guidelines for monitoring the validity of chemical analysis laboratory results 化学分析实验室结果有效性监控指南 |
China National Standards validity |
 English PDF |
| GB/T 38658-2020 |
Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV～40.5 kV交流金属封闭开关设备和控制设备型式试验有效性的延伸导则 |
China National Standards validity |
English PDF |
| GB/T 27408-2010 |
Quality control in laboratories evaluating validity of non-standard test method practice for a linear relationship 实验室质量控制 非标准测试方法的有效性评价 线性关系 |
China National Standards validity |
English PDF |
| GB/T 5080.6-1996 |
Equipment reliability testing--Tests for the validity of a constant failure rate assumption 设备可靠性试验 恒定失效率假设的有效性检验 |
China National Standards validity |
English PDF |
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