2017GB/T 20257.2-2017 Cartographic symbols for national fundamental scale maps—Part 2:Specifications for cartographic symbols 1:5 000 & 1:10 000 topographic maps
2006GB/T 20257.2-2006 Cartographic symbols for national fundamental scale maps.Part 2: Specifications for cartographic symbols 1:5000 & 1:10000 topographic maps
1993GB 5791-1993 Specifications for cartographic symbols 1∶5000 and 1∶10000 topographic maps
GB 5791-1993 Specifications for cartographic symbols 1∶5000 and 1∶10000 topographic maps was changed to GB/T 20257.2-2006 Cartographic symbols for national fundamental scale maps.Part 2: Specifications for cartographic symbols 1:5000 & 1:10000 topographic maps.