GB/T 16895.22-2022 Chinese PDF (GB/T16895.22-2022) GB/T 45520-2025 GB/T 27651-2023_Chinese: Use category and

GB/T 27651-2023_Chinese: Use category and requirements for preservative-treated wood (Chinese: 防腐木材的使用分类和要求)

glucosamine salt (Chinese: 食品安全国家标准 食品营养强化剂 (6S)-5-甲基四氢叶酸，氨基葡萄糖盐)

validation and maintenance of a sterilization process (Chinese: 医疗产品灭菌 微生物学方法 第2部分：用于灭菌过程的定义、确认和维护的无菌试验)

English versions: GB/T 4447-2025

English versions: GB 21257-2024

GB/T 16895.22-2022 Chinese PDF (GB/T16895.22-2022) GB/T 45520-2025 GB/T 27651-2023_Chinese: Use category andGB T 16895. 22 2022_Chinese: Low voltage electrical installations Part 5 53: Selection and erection of electrical equipment Devices for protection for safety, isolation, switching, control and monitoring (Chinese: 5 53 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 16895. 22 2022