GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 29117-2025 GB/T 45348-2025_Chinese: Information technology -

GB/T 45348-2025_Chinese: Information technology - Real time locating - Technical specification for sound source locating and imaging system (Chinese: 信息技术 实时定位 声源定位成像系统技术规范)

English versions: GB/T 45503-2025

N-dimethylformamide in toys and children's products - Gas chromatography-mass spectrometry (Chinese: 玩具及儿童用品材料中N

GB 31648-2025_Chinese: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food (Chinese: 食品安全国家标准 食品中二噁英及多氯联苯污染控制规范)

GB/T 32456-2025_Chinese: General technical specification for energy saving heating system of rubber and plastics machines (Chinese: 橡胶塑料机械用节能型加热系统通用技术规范)

GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 29117-2025 GB/T 45348-2025_Chinese: Information technology -GB T 45469 2025_Chinese: Microbeam analysis Transmission electron microscopy Preparation methods of ultrathin section of polymer composites (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45469 2025