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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12598-2023 |
Plastics Ion exchange resin Determination of sphericity rate after grinding and sphericity rate after grinding {译} 塑料 离子交换树脂 渗磨圆球率和磨后圆球率的测定 |
China National Standards sphericity |
 English PDF |
| GB/T 37406-2019 |
Detection method of degree of sphericity of spherical silica for electronic packaging—Particle dynamic photoelectric projection method 电子封装用球形二氧化硅微粉球形度的检测方法 颗粒动态光电投影法 |
China National Standards sphericity |
English PDF |
| GB/T 12598-2001 |
Determination for sphericity of ion exchange resins after attrition or osmotic-attrition 离子交换树脂渗磨圆球率、磨后圆球率的测定 |
China National Standards sphericity |
English PDF |
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