GB/T 20257.2-2017国家基本比例尺地图图式第2部分:1:50001:10000地形图图式国家标准
英文:Cartographic symbols for national fundamental scale maps—Part 2:Specifications for cartographic symbols 1:5 000 &...
英文:Cartographic symbols for national fundamental scale maps—Part 2:Specifications for cartographic symbols 1:5 000 &...