GB/T 21218-2023 Chinese PDF (GB/T21218-2023) GB 45673-2025 English versions: GB/T 45546-2025

English versions: GB/T 45546-2025

English versions: GB/T 19923-2024

GB/T 19713-2025_Chinese: Cybersecurity technology - Public key infrastructure - Online certificate status protocol (Chinese: 网络安全技术 公钥基础设施 在线证书状态协议)

GB/T 32077-2025_Chinese: Wind energy generation systems - Pitch system of wind turbines (Chinese: 风能发电系统 风力发电机组变桨距系统)

GB/T 45353-2025_Chinese: Guideline for quality grading of consumer products - Household electrical appliances (Chinese: 消费品质量分级导则 家用电器)

GB/T 21218-2023 Chinese PDF (GB/T21218-2023) GB 45673-2025 English versions: GB/T 45546-2025GB T 21218 2023_Chinese: Unused silicone insulating liquids for electrotechnical purposes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21218 2023