Home / Standards / HY/T 034.2-1994 HY/T 034.2-1994 Active 电渗析技术 异相离子交换膜 Standard Type HY ICS N/A CCS N/A Status Active Issue Date 1994-12-17 Implementation 1995-07-01 Centralized Committee 国家海洋局 Issuing Authority 国家海洋局