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GB/T 45071-2024_Chinese: Classification and gradation of protected areas (Chinese: 自然保护地分类分级)
English versions: GB/T 45190-2025
GB/T 45612-2025_Chinese: 1 100 MPa spline-drive bolts with MJ threads for aerospace (Chinese: 航空航天用1100MPa MJ螺纹花键头螺栓)
4-2024_Chinese: Safety test methods for transport packages of radioactive material - Part 4: Drop test (Chinese: 放射性物品运输容器安全试验方法 第4部分：跌落试验)
GB/T 45542-2025_Chinese: Specification for integrated energy efficiency evaluation of industrial boilers (Chinese: 工业锅炉综合能效评价技术规范)
GB/T 1311-2024 Chinese PDF (GB/T1311-2024) GB/T 45258-2025 GB/T 45071-2024_Chinese: Classification and gradationGB T 1311 2024_Chinese: Test methods for direct current machines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1311 2024
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