This standard specifies the framing, numbering and numbering application formulas of national basic scale topographic maps. This standard applies to the framing and numbering of 1:1000000~1:5000 topographic maps.
GB/T 13989-1992 history
2012GB/T 13989-2012 Subdivision and numbering for the national primary scale topographic maps
1992GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps