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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21986-2008 |
Assessment of agroclimate impact: classfication method of annual crop climate types 农业气候影响评价：农作物气候年型划分方法 |
China National Standards classfication |
 English PDF |
| GB 12476.3-2007 |
Electrical apparatus for use in the presence of combustible dust - part 3: classfication of areas where combustible dusts are or may be present 可燃性粉尘环境用电气设备 第3部分：存在或可能存在可燃性粉尘的场所分类 |
China National Standards classfication |
English PDF |
| GB/T 12458-2003 |
Coupling--classfication 联轴器 分类 |
China National Standards classfication |
English PDF |
| GB/T 13220-1991 |
Determination of particle size distribution of fine powder--Method of sieve classfication with sonic wave 细粉末粒度分布的测定 声波筛分法 |
China National Standards classfication |
English PDF |
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