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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 11107-2018 |
Metallic and its compound powder—Determination of specific surface and particle size—Air permeating method 金属及其化合物粉末 比表面积和粒度测定 空气透过法 |
China National Standards permeating |
 English PDF |
| GB/T 17121-1997 |
Anti-counterfeiting stamp-ink--Part 1:Technical requirements of UV-excitation flourescent anti-counterfeiting permeating stamp-ink 防伪印油 第1部分:紫外激发荧光防伪渗透印油技术条件 |
China National Standards permeating |
English PDF |
| GB/T 11107-1989 |
Metallic and its compound powder--Determination of specific surface and particle size by air permeating method 金属及其化合物粉末 比表面积和粒度测定 空气透过法 |
China National Standards permeating |
English PDF |
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