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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 4090-2022 |
General Technical Requirements for Mobile Payment QR Code Trusted Service System {译} 面向移动支付二维码可信服务系统总体技术要求 |
China Telecommunication Industry
Standards Technical code service |
 English PDF |
| YD/T 2332-2011 |
Mobile bar code recognition service technical requirements 移动网络二维码识读业务技术要求 |
China Telecommunication
Standards Technical code service |
English PDF |
| TB 10109-1995 |
Technical code for service gallery of railway tunnel 铁路隧道辅助坑道技术规范 |
China Railway & Train
Standards Technical code service |
English PDF |
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