Home / Standards / GB 31830-2024 GB 31830-2024 Active Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate 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 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2024-04-29 Implementation 2025-05-01 Responsible Dept 国家标准委 Drafting Unit N/A