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metallurgy and refining of gold (Chinese: 金矿开采、选冶和金精炼单位产品能源消耗限额)
GB/T 19794-2023_Chinese: Agricultural irrigation equipment - Volumetric valves - General requirements and test methods (Chinese: 农业灌溉设备 定量阀 技术要求和试验方法)
4-2023_Chinese: Acrylic acid and acrylates for industrial use - Part 4: N-Butyl acrylate for industrial use (Chinese: 工业用丙烯酸及酯 第4部分：工业用丙烯酸正丁酯)
GB/T 196-2025_Chinese: General purpose metric screw threads - Basic dimensions (Chinese: 普通螺纹 基本尺寸)
5 mm (Chinese: 滑动轴承 多层金属滑动轴承 第1部分：合金厚度≥0
GB/T 31258-2024 Chinese PDF (GB/T31258-2024) GB/T 21461.1-2023 metallurgy and refining of goldGB T 31258 2024_Chinese: Specification of zip line (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31258 2024
US$ 12.39
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US$ 47.59
US$ 13.39
US$ 15.29
US$ 12.39
US$ 12.39
