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GB 21257-2024_Chinese: Norm of energy consumption per unit production of caustic soda
English versions: GB/T 45101-2024
English versions: GB/T 1361-2024
3-2025_Chinese: Leather and fur - Determination of the preservative content - Part 3: Gas chromatography-mass spectrometry method(methanol extraction) (Chinese: 皮革和毛皮 防霉剂的测定 第3部分：气相色谱-质谱法（甲醇萃取）)
English versions: GB/T 21413
GB/T 21008-2023 Chinese PDF (GB/T21008-2023) GB/T 17737.119-2024 GB 21257-2024_Chinese: Norm of energyGB T 21008 2023_Chinese: Aerial ropeways for underground mine Safety requirements (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21008 2023
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