Home / Standards / HY/T 055-2001 HY/T 055-2001 Active 折叠筒式微孔膜过滤芯 Standard Type HY ICS N/A CCS N/A Status Active Issue Date 2001-07-27 Implementation 2002-01-01 Centralized Committee 国家海洋局 Issuing Authority 国家海洋局