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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 17739.2-2021 |
Microfilming of technical drawings and other drawing office documents—Part 2:Quality criteria and control of 35 mm silver gelatin microfilms 技术图样与技术文件的缩微摄影 第2部分: 35mm银-明胶型缩微品的质量准则与控制 |
China National Standards 2:Quality |
 English PDF |
| GB/T 19475.2-2004 |
Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 2:Quality criteria and control 缩微摄影技术 开窗卡扫描仪制作影像质量的测量方法 第2部分:质量要求和控制 |
China National Standards 2:Quality |
English PDF |
| GB/T 19474.2-2004 |
Micrographics--Quality control of graphic COM recorders--Part 2:Quality criteria and control 缩微摄影技术 图形COM记录仪的质量控制 第2部分:质量要求和控制 |
China National Standards 2:Quality |
English PDF |
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