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GB/T 45397-2025_Chinese: Information technology - Big data for ecological environment - System framework (Chinese: 信息技术 生态环境大数据 系统框架)
GB/T 45245-2025_Chinese: Determination method of total organic carbon in wood-based panels and finishing products (Chinese: 人造板及其制品中总有机碳的测定方法)
GB/T 44913-2024_Chinese: Filled monocrystal gemstones - Identification and classification (Chinese: 充填处理单晶体宝石 鉴定与分类)
GB/T 44956-2024_Chinese: Weather forecast verification - Precipitation and air temperature forecast (Chinese: 天气预报检验 降水和温度)
English versions: GB/T 45084-2024
GB 6220-2023 Chinese PDF GB/T 44919-2024 GB/T 45397-2025_Chinese: Information technology -GB 6220 2023_Chinese: Respiratory protection Air line respirator (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 6220 2023
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US$ 40.99
US$ 40.99
