GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 GB/T 19799
$39.00
Description
GB/T 19799
2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)
GB/T 2909-2025_Chinese: Cotton grey canvas (Chinese: 棉本色帆布)
GB/T 32105-2025_Chinese: Dipped polyester cord fabric technical requirements and evaluation methods (Chinese: 聚酯浸胶帘子布技术条件和评价方法)
GB 45320-2025_Chinese: Safety and general technical specifications for construction waterproof sheets (Chinese: 建筑防水卷材安全和通用技术规范)
GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 GB/T 19799GB T 22453 2025_Chinese: Non linear optical crystal devices measuring method for laser (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22453 2025
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