GB 12955-2024 Chinese PDF GB/T 25320.4-2024 GB/T 45062-2024_Chinese: Guide for inter-calibration

GB/T 45062-2024_Chinese: Guide for inter-calibration of meteorological satellite infrared channel (Chinese: 气象卫星红外通道交叉定标指南)

English versions: GB/T 45273-2025

GB/T 24851-2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: 建筑材料行业能源计量器具配备和管理要求)

GB/T 45462-2025_Chinese: Test methods for the performance of gas-phase air cleaning media and devices (Chinese: 气相空气净化材料及装置性能试验方法)

GB 12955-2024 Chinese PDF GB/T 25320.4-2024 GB/T 45062-2024_Chinese: Guide for inter-calibrationGB 12955 2024_Chinese: Fire resistant doorsets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 12955 2024