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GB/T 45644-2025_Chinese: Test method for resistance against surface and traffic loading of the thermoplastics inspection chamber (Chinese: 热塑性塑料检查井抗地面和交通负荷性能试验方法)
12-2024_Chinese: Technical requirements and test methods for sports field - Part 12: Natural climbing venue (Chinese: 体育场地使用要求及检验方法 第12部分：自然攀岩场地)
English versions: GB/T 45309-2025
English versions: GB/T 45603-2025
GB/T 5766-2023_Chinese: Test method of Rockwell hardness for friction materials (Chinese: 摩擦材料洛氏硬度试验方法)
GB/T 9442-2024 Chinese PDF (GB/T9442-2024) GB/T 30425-2025 GB/T 45644-2025_Chinese: Test method forGB T 9442 2024_Chinese: Silica sand for foundry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 9442 2024
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