GB 23394-2024 Chinese PDF GB 20071-2025 1-2025_Chinese: Cards and security devices

1-2025_Chinese: Cards and security devices for personal identification - Test methods - Part 1: General characteristics (Chinese: 卡及身份识别安全设备 测试方法 第1部分：一般特性)

2-2025_Chinese: National food safety standard - Disinfectant (Chinese: 食品安全国家标准 消毒剂)

Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN

GB 45185-2024_Chinese: Optometry products - Safety technical specifications of finished spectacles (Chinese: 眼视光产品 成品眼镜安全技术规范)

GB/T 10250-2025_Chinese: Electrical and electronic installations in ships - Electromagnetic compatibility(EMC) - Ships with a metallic hull (Chinese: 船舶电气与电子设备 电磁兼容性 金属船体船舶)

GB 23394-2024 Chinese PDF GB 20071-2025 1-2025_Chinese: Cards and security devicesGB 23394 2024_Chinese: Respiratory protection Positive pressure self contained closed circuit compressed oxygen breathing apparatus (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 23394 2024