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GB/T 20186.3-2023 Chinese PDF (GB/T20186.3-2023) GB/T 19865-2024 GB/T 21431-2023_Chinese: Technical specification for
GB/T 20186.3-2023 Chinese PDF (GB/T20186.3-2023) GB/T 19865-2024 GB/T 21431-2023_Chinese: Technical specification for
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Description
GB/T 21431-2023_Chinese: Technical specification for inspection of lightning protection systems of buildings (Chinese: 建筑物雷电防护装置检测技术规范)
GB/T 45517-2025_Chinese: Determination of phenol in toys and children's products - High performance liquid chromatography (Chinese: 玩具及儿童用品中苯酚的测定 高效液相色谱法)
GB/T 33798-2025_Chinese: Bio-polyester drum-linkage bags (Chinese: 生物聚酯连卷袋)
English versions: GB/T 14404-2024
GB/T 26882
GB/T 20186.3-2023 Chinese PDF (GB/T20186.3-2023) GB/T 19865-2024 GB/T 21431-2023_Chinese: Technical specification forGB T 20186. 3 2023_Chinese: Secondary coating materials used for optical fibre Part 3: Modified polycarbonate (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20186. 3 2023
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