Home / Standards / GB/T 21771-2025 GB/T 21771-2025 Active Chemicals—Test method of combined repeated dose toxicity study with the reproduction/developmental toxicity screening 化学品 重复剂量毒性合并生殖/发育毒性筛选试验方法 Standard Type GBT ICS 13.300;11.100 CCS A80 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A