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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 documents—Part |
 English PDF |
| GB/T 20493.3-2018 |
Electronic imaging—Test target for scanning of office documents—Part3:Test target for use in lower resolution applications 电子成像-办公文件扫描用测试标板-第3部分：较低解像力应用测试标板 |
China National Standards documents—Part |
English PDF |
| GB/T 34974.1-2017 |
Identification cards—Machine readable travel documents—Part 1: Machine readable passport 识别卡 机器可读旅行文件 第1部分：机器可读护照 |
China National Standards documents—Part |
English PDF |
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