Home / Standards / GB/T 35428-2017 GB/T 35428-2017 Abolished Requirements of environmental control for hospital negative pressure isolation ward 医院负压隔离病房环境控制要求 Standard Type GBT ICS 13.040.20 CCS C70 Status 废止 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家标准委 Drafting Unit N/A