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English versions: GB/T 45322
GB/T 45385-2025_Chinese: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Vent valves (Chinese: 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 排气阀)
GB/T 44931-2024_Chinese: Nanotechnologies - Generation of metal nanoparticles for inhalation toxicity testing - Evaporation-condensation method (Chinese: 纳米技术 吸入毒性研究中金属纳米颗粒制备 蒸发-冷凝法)
English versions: GB/T 45038-2024
GB/T 45227-2025_Chinese: Technical requirements for closed-off management system of chemical industry park (Chinese: 化工园区封闭管理系统技术要求)
GB/T 45428-2025 Chinese PDF (GB /T45428-2025) GB/T 32934-2025 English versions: GB/T 45322GB T 45428 2025_Chinese: Forensic sciences Forged video and image of a person Multispectral imaging examination (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45428 2025
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