GB/T 45674-2025 Chinese PDF (GB /T45674-2025) GB/T 10810.5-2025 GB/T 45650-2025_Chinese: Air source heat

GB/T 45650-2025_Chinese: Air source heat pump packages with carbon dioxide as refrigerants (Chinese: 二氧化碳空气源热泵机组)

GB/T 31015-2024_Chinese: Public information guidance systems - Design and setting principles and requirements for the consideration of accessible needs (Chinese: 公共信息导向系统 基于无障碍需求的设计与设置原则和要求)

English versions: GB/T 45653-2025

GB/T 44939-2024_Chinese: Guidelines for quality grading of consumer products - Footwear (Chinese: 消费品质量分级导则 鞋类)

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)

GB/T 45674-2025 Chinese PDF (GB /T45674-2025) GB/T 10810.5-2025 GB/T 45650-2025_Chinese: Air source heatGB T 45674 2025_Chinese: Cybersecurity technology Generative artificial intelligence data annotation security specification (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45674 2025