GB/T 31486-2024 Chinese PDF (GB/T31486-2024) GB/T 14420-2024 2-2024_Chinese: Spinal implants - Pre-clinical

2-2024_Chinese: Spinal implants - Pre-clinical mechanical assessment and particular requirements - Parts 2: Spinal intervertebral body fusion devices (Chinese: 脊柱植入器械 临床前力学性能评价和特殊要求 第2部分：椎间融合器)

71-2024_Chinese: Communication networks and systems for power utility automation - Part 7-1: Basic communication structure - Principles and models (Chinese: 电力自动化通信网络和系统 第7-1部分：基本通信结构 原理和模型)

GB 21342-2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: 焦炭单位产品能源消耗限额)

GB/T 45633-2025_Chinese: Collection and processing of human saliva biomaterial (Chinese: 人类唾液样本采集与处理)

GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)

GB/T 31486-2024 Chinese PDF (GB/T31486-2024) GB/T 14420-2024 2-2024_Chinese: Spinal implants - Pre-clinicalGB T 31486 2024_Chinese: Electrical performance requirements and test methods for traction battery of electric vehicle (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31486 2024