GB/T 4706.21-2024 Chinese PDF (GB/T4706.21-2024) GB/T 22553-2023 1-2025_Chinese: Technical code of practice

1-2025_Chinese: Technical code of practice for evaluation of resistance to diseases and insect pests in wheat - Part 1: Stripe(yellow) rust (Chinese: 小麦抗病虫性评价技术规程 第1部分：条锈病)

GB/T 28545-2023_Chinese: Directives for rehabilitation and performance improvement for hydraulic turbines

GB/T 19799

73-2025_Chinese: National food safety standard - Nutrition fortifier - Sodium chloride (Chinese: 食品安全国家标准 食品营养强化剂 氯化钠 )

English versions: GB/T 11918

GB/T 4706.21-2024 Chinese PDF (GB/T4706.21-2024) GB/T 22553-2023 1-2025_Chinese: Technical code of practiceGB T 4706. 21 2024_Chinese: Safety of household and similar electrical appliances Part 21: Particular requirements for microwave ovens, including combination microwave ovens (Chinese: 21,) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 21 2024