Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19475.1-2004 |
Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 1:Characteristics of the test images 缩微摄影技术 开窗卡扫描仪制作影像质量的测量方法 第1部分:测试影像的特征 |
China National Standards 1:Character |
 English PDF |
| GB/T 19474.1-2004 |
Micrographics--Quality control of graphic COM recorders--Part 1:Characteristics of the test frames 缩微摄影技术 图形COM记录仪的质量控制 第1部分:测试画面的特征 |
China National Standards 1:Character |
English PDF |
| GB/T 12053-1989 |
Alphanumeric character sets for optical recognition--Part 1:Character set OCR-A--Shapes and dimensions of the printed image 光学识别用字母数字字符集 第一部分:OCR-A 字符集印刷图象的形状和尺寸 |
China National Standards 1:Character |
English PDF |
| Find out:3Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
