GB/T 20299.3-2024 Chinese PDF (GB/T20299.3-2024) GB 44172-2024 4-2025_Chinese: Instruments for stage measurement

4-2025_Chinese: Instruments for stage measurement - Part 4: Ultrasonic stage recorder (Chinese: 水位测量仪器 第4部分：超声波水位计)

11-2024_Chinese: Standard for specified animal disease free zone - Part 11: Peste des petits ruminants free zone (Chinese: 无规定动物疫病区标准 第11部分：无小反刍兽疫区)

GB/T 45520-2025_Chinese: Textiles - Determination of 1-vinylimidazole and 2-methylimidazole (Chinese: 纺织品 1-乙烯基咪唑和2-甲基咪唑的测定)

English versions: GB/T 21478-2024

GB/T 30416-2024_Chinese: Specifications for the after-sales repair service of clocks and watches (Chinese: 钟表售后维修服务规范)

GB/T 20299.3-2024 Chinese PDF (GB/T20299.3-2024) GB 44172-2024 4-2025_Chinese: Instruments for stage measurementGB T 20299. 3 2024_Chinese: Digital technique application of building and residence community Part 3: Property management (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20299. 3 2024