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Specifications for aerophotogrammetric field work of 1:500 1:1 000 1:2 000 topographic maps
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STANDARD published on 20.6.2008
Designation standards: GB/T 7931-2008
Publication date standards: 20.6.2008
SKU: NS-890064
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-31 (Number of items: 2 290 450)
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