Home / Standards / GB/T 46604-2025 GB/T 46604-2025 Active Organic flat membrane unit for membrane bioreactor 膜生物反应器有机平板膜组器 Standard Type GBT ICS 13.060.30;13.020 CCS J88 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A