Home / Standards / JB/T 8900-1999 JB/T 8900-1999 Abolished 银、银合金/铜、铜合金复合带材 Standard Type JB ICS N/A CCS N/A Status Abolished Issue Date 1999-05-14 Implementation 1999-07-01 Centralized Committee 国家机械工业局 Issuing Authority 国家机械工业局