Home / Standards / GB/T 18204.4-2025 GB/T 18204.4-2025 Active Examination methods for public places—Part 4:Microorganism indicators on a surface of public articles 公共场所卫生检验方法 第4部分:公共用品用具微生物指标 Standard Type GBT ICS 13.060 CCS C51 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 国家疾控局 Drafting Unit N/A