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(Urban pedestrian and bicycle transportation system planning standards)
Translate name
STANDARD published on 9.4.2021
Designation standards: GB/T 51439-2021
Publication date standards: 9.4.2021
SKU: NS-1175253
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-06-30 (Number of items: 2 285 193)
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