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GB 31830-2024_Chinese: Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate (Chinese: 甲苯二异氰酸酯和二苯基甲烷二异氰酸酯单位产品能源消耗限额) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB 31830-2024
