GB/T 12279.1-2024 Chinese PDF (GB/T12279.1-2024) GB/T 44916-2024 GB/T 45459-2025_Chinese: Microbeam analysis -

GB/T 45459-2025_Chinese: Microbeam analysis - Focused ion beam - Preparation of TEM specimens (Chinese: 微束分析 聚焦离子束 透射电镜试样制备方法)

GB/T 14285-2023_Chinese: Technical code for relaying protection and security automatic equipment (Chinese: 继电保护和安全自动装置技术规程)

GB/T 45619-2025_Chinese: Agricultural service - Specification for service of wholesale markets of agricultural products (Chinese: 农业社会化服务 农产品批发市场服务规范)

TN and IT systems (Chinese: 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性)

English versions: GB/T 45376-2025

GB/T 12279.1-2024 Chinese PDF (GB/T12279.1-2024) GB/T 44916-2024 GB/T 45459-2025_Chinese: Microbeam analysis -GB T 12279. 1 2024_Chinese: Cardiovascular implants Cardiac valve prostheses Part 1: General requirements (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12279. 1 2024