Home / Standards / GB/T 24340-2009 GB/T 24340-2009 Active Graphical symbols for use on electrical diagram of industrial machines 工业机械电气图用图形符号 Standard Type GBT ICS 29.020 CCS J04 Status 现行 Issue Date 2009-09-30 Implementation 2010-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A