This standard specifies the graphical symbols and rules for the use of open-pit coal mine machinery. This standard applies to the design drawings and related technical documents of open-pit coal mines.
GB/T 18024.6-2000 history
2011GB/T 18024.6-2010 Graphical symbols for technical documents of coal mine machinery Part 6: Graphical symbols for surface mine machinery
2000GB/T 18024.6-2000 Graphical symbols for use in technical documentation of coal mine machinery-Graphical symbols for surface mine machinery