Home / Standards / JB/T 6918-1993 JB/T 6918-1993 Abolished 制冷用金属与玻璃烧结液位计和视镜 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1993-07-13 Implementation 1994-07-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部