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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 16462.7-2009 |
Test conditions for numerically controlled turning machines and turning centres - Part 7: Evaluation of contouring performance in the coordinate planes 数控车床和车削中心检验条件 第7部分：在坐标平面内轮廓特性的评定 |
China National Standards planes |
 English PDF |
| GB/T 22057.2-2008 |
Microscopes - Imaging distances related to mechanical reference planes - Part 2: Infinity-corrected optical systems 显微镜 相对机械参考平面的成像距离 第2部分：无限远校正光学系统 |
China National Standards planes |
English PDF |
| GB/T 22057.1-2008 |
Microscopes - Imaging distances related to mechanical reference planes - Part 1: Tube length 160mm 显微镜 相对机械参考平面的成像距离 第1部分：筒长160mm |
China National Standards planes |
English PDF |
| GB/T 18400.8-2001 |
Test conditions for machining centres--Part 8:Evaluation of the contouring performance in thethree coordinate planes 加工中心 检验条件 第8部分:三个坐标平面上轮廓特性的评定 |
China National Standards planes |
English PDF |
| GB/T 13986-1992 |
Photoelectric method for measuring exposure in focal planes of camera 照相机焦平面曝光量的光电测量方法 |
China National Standards planes |
English PDF |
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