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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 32997-2016 |
Surface chemical analysis—General procedures for quantitative compositional depth profiling by glow discharge optical emission spectrometry 表面化学分析 辉光放电发射光谱定量成分深度剖析的通用规程 |
China National Standards positional |
 English PDF |
| GB/T 27662-2011 |
Test methods for pointing and positional stability of laser beam 激光光束指向和位置稳定性测试方法 |
China National Standards positional |
English PDF |
| GB/T 13319-2003 |
Geometrical Product Specifications(GPS)--Geometrical tolerancing--positional tolerancing 产品几何量技术规范(GPS) 几何公差 位置度公差注法 |
China National Standards positional |
English PDF |
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