GB 7931-1987
Specifications for aerophotogrammetric field work 1:500,1:1000,1:2000 topographic maps (English Version)

Standard No.

GB 7931-1987

Language

Chinese, Available in English version

Release Date

1987

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2008-12

Replace By

GB/T 7931-2008

Latest

GB/T 7931-2008

Scope

This specification is the basis for surveying and mapping 1:500, 1:1000, 1:2000 topographic maps by aerial photogrammetry. The topographic maps measured and prepared in accordance with this standard can be used by various departments of the national economy for survey, planning, design, etc.

GB 7931-1987 history

• 2008 GB/T 7931-2008 Specification for aerophotogrammetric field work of 1:500 1:1 000 1:2 000 topographic maps
• 1987 GB 7931-1987 Specifications for aerophotogrammetric field work 1:500,1:1000,1:2000 topographic maps

GB 7931-1987 Specifications for aerophotogrammetric field work 1:500,1:1000,1:2000 topographic maps was changed to GB/T 7931-2008 Specification for aerophotogrammetric field work of 1:500 1:1 000 1:2 000 topographic maps.