GB/T 4543-2023 Chinese PDF (GB/T4543-2023) GB/T 23333-2024 5-2024_Chinese: Semiconductor devices - Part

5-2024_Chinese: Semiconductor devices - Part 5-5: Optoelectronic devices - Photocouplers (Chinese: 半导体器件 第5-5部分：光电子器件 光电耦合器)

GB/T 44954-2024_Chinese: Technical specification for lightning disaster prevention in mountain areas (Chinese: 山岳地区雷电灾害防御技术规范)

GB 24542-2023_Chinese: Fall protection - Guided type fall arrester including a rigid anchor line (Chinese: 坠落防护 带刚性导轨的自锁器)

GB 25038-2024_Chinese: General safety requirements for footwear (Chinese: 鞋类通用安全要求)

GB/T 45233-2025_Chinese: Guidelines for comprehensive safety risk assessment of chemical industry park (Chinese: 化工园区安全风险评估导则)

GB/T 4543-2023 Chinese PDF (GB/T4543-2023) GB/T 23333-2024 5-2024_Chinese: Semiconductor devices - PartGB T 4543 2023_Chinese: Pyrotechnic distress signals (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4543 2023