Home / Standards / GB/T 38511-2020 GB/T 38511-2020 Active Evaluation method of service life for hollow fiber membrane 中空纤维膜使用寿命评价方法 Standard Type GBT ICS 19.020 CCS Q81 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 国家标准委 Drafting Unit N/A