Home / Standards / JB/T 7097-1993 JB/T 7097-1993 Abolished 铜铋铝触头材料技术条件 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1993-10-08 Implementation 1994-01-01 Centralized Committee 机械工业部 Issuing Authority 机械工业部