GB/T 18024.5-2010 Graphical symbols for technical documents of coal mine machinery Part 5: Graphical symbols for lifting and surface production machinery (English Version)
2011GB/T 18024.5-2010 Graphical symbols for technical documents of coal mine machinery Part 5: Graphical symbols for lifting and surface production machinery
2000GB/T 18024.5-2000 Graphical symbols for use in technical documentation of coal mine machinery-Graphical symbols for machinery of ground production and hoisting