GB/T 20257.1-2017
Cartographic symbols for national fundamental scale maps—Part 1:Specifications for cartographic symbols 1︰500 1︰1 000 & 1︰2 000 topographic maps

Standard No.

GB/T 20257.1-2017

Language

Chinese

Release Date

2017

Published By

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Lastest

GB/T 20257.1-2017

Replace

GB/T 20257.1-2007

Scope

This part of GB/T 20257 specifies the symbols, annotations and outline decorations of various features and geomorphic elements represented on topographic maps of 1:500, 1:1000, and 1:2000, as well as the methods and basic principles for using these symbols. Require. This section applies to the surveying and mapping of 1:500, 1:1000, 1:2000 topographic maps. Compilation of geographic basemaps or surveying and mapping of similar scale maps can be used as a reference.

GB/T 20257.1-2017 Referenced Document

• GB/T 13989 Subdivision and numbering for the national primary scale topographic maps

GB/T 20257.1-2017 history

• 2017 GB/T 20257.1-2017 Cartographic symbols for national fundamental scale maps—Part 1:Specifications for cartographic symbols 1︰500 1︰1 000 & 1︰2 000 topographic maps
• 2007 GB/T 20257.1-2007 National Basic Scale Map Schema Part 1: 1:500 1:1000 1:2000 Topographic Map Schema
• 1995 GB/T 7929-1995 Specifications for cartographic symbois 1:500 1:1000 100 topographic maps

GB/T 20257.1-2017 -All Parts