GB/T 23101.4-2023 Chinese PDF (GB/T23101.4-2023) GB/T 45393.2-2025 English versions: GB/T 21649

English versions: GB/T 21649

GB/T 27967-2024_Chinese: Format of road weather forecast (Chinese: 公路交通气象预报格式)

7-2024_Chinese: Semiconductor devices - Part 5-7: Optoelectronic devices - Photodiodes and phototransistors (Chinese: 半导体器件 第5-7部分：光电子器件 光电二极管和光电晶体管)

English versions: GB/T 21442-2024

GB/T 45362-2025_Chinese: Textiles - Determination of thermal effusivity of fabrics - Modified transient plane source method (Chinese: 纺织品 织物蓄热系数的测定 改型平面瞬态热源法)

GB/T 23101.4-2023 Chinese PDF (GB/T23101.4-2023) GB/T 45393.2-2025 English versions: GB/T 21649GB T 23101. 4 2023_Chinese: Implants for surgery Hydroxyapatite Part 4: Determination of coating adhesion strength (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23101. 4 2023