Home / Standards / GB/T 21754-2025 GB/T 21754-2025 Active Chemicals—Test method of 28 day (subacute) inhalation toxicity 化学品 28天(亚急性)吸入毒性试验方法 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2025-08-29 Implementation 2025-12-01 Responsible Dept 国家标准委 Drafting Unit N/A