Home / Standards / GB/T 44640-2024 GB/T 44640-2024 Active Chemicals—Xenopus eleutheroembryonic thyroid assay 化学品 非洲爪蟾胚胎甲状腺活性试验 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 国家标准委 Drafting Unit N/A