Home / Standards / JB/T 2161-1991 JB/T 2161-1991 Abolished 筒型外滤式真空过滤机 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1991-10-19 Implementation 1992-10-01 Centralized Committee 机械电子工业部 Issuing Authority 机械电子工业部