Home / Standards / JB/T 6947-1993 JB/T 6947-1993 Abolished 活塞式和叶片式气动马达安装尺寸 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1993-07-29 Implementation 1994-01-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部