Home / Standards / GB/T 39808-2021 GB/T 39808-2021 Active Design specification for external membrane filtration system of drinking water 生活饮用水外置式膜过滤系统设计规范 Standard Type GBT ICS 13.060.20 CCS P41 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 国家标准委 Drafting Unit N/A