GB 12342-1990
AbolishedSpecifications for cartographic symbols 1∶25000，1∶50000，1∶100000 topographic maps
1∶25000、1∶50000、1∶100000地形图图式
Application Summary AI generated
This standard specifies the design, classification, and representation of cartographic symbols used on Chinese topographic maps at scales of 1:25,000, 1:50,000, and 1:100,000. It is applied in national surveying and mapping, land management, urban planning, and military operations to ensure consistent and accurate symbolization of terrain features, boundaries, and infrastructure across these medium-scale maps.
Related Standards
GB/T 17159-2009
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