GB/T 45426-2025 Chinese PDF (GB /T45426-2025) GB/T 26882.2-2024 English versions: GB/T 15566

English versions: GB/T 15566

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)

GB/T 45480-2025_Chinese: Manganese ores and concentrates - Determination of aluminium content - Photometric and gravimetric methods (Chinese: 锰矿石和锰精矿 铝含量的测定 光度法和重量法)

3-2025_Chinese: Uncut finished spectacle lenses - Part 3: Transmittance test methods (Chinese: 眼镜镜片 第3部分：透射比试验方法)

dosing and sealing machine of edible salt (Chinese: 食用盐袋成型充填封口机通用技术要求)

GB/T 45426-2025 Chinese PDF (GB /T45426-2025) GB/T 26882.2-2024 English versions: GB/T 15566GB T 45426 2025_Chinese: Security and resilience Emergency management Guidelines for the use of social media in emergencies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45426 2025