Home / Standards / GB/T 21772-2025 GB/T 21772-2025 Active Chemicals—Test method of mammalian bone marrow chromosome aberration 化学品 哺乳动物骨髓染色体畸变试验方法 Standard Type GBT ICS 13.300 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