Home / Standards / HY/T 039-1995 HY/T 039-1995 Active 微孔滤膜孔性能测定方法 Standard Type HY ICS N/A CCS N/A Status Active Issue Date 1995-02-20 Implementation 1995-07-01 Centralized Committee 国家海洋局 Issuing Authority 国家海洋局