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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33505-2017 |
Escalator steps and moving walk pallets 自动扶梯梯级和自动人行道踏板 |
China National Standards steps |
 English PDF |
| GB/T 27760-2011 |
Test method for calibrating the z-magnification of an atomic force microscope at subnanometer displacement levels using si (111) monatomic steps 利用Si（111）晶面原子台阶对原子力显微镜亚纳米高度测量进行校准的方法 |
China National Standards steps |
English PDF |
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