GB 45669.2-2025 Chinese PDF GB/T 12604.14-2024 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)

2-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 2: Coal preparation (Chinese: 黄河流域工业用水定额 第2部分：选煤)

GB/T 11067

English versions: GB 45672-2025

5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)

GB 45669.2-2025 Chinese PDF GB/T 12604.14-2024 4-2025_Chinese: Instruments for stage measurementGB 45669. 2 2025_Chinese: Norm of water intake for industry in the Yellow River basin Part 2: Coal preparation (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 45669. 2 2025