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Code for design of roads in factories and mining areas
Translate name
STANDARD published on 1.1.1987
Designation standards: GBJ 22-1987
Publication date standards: 1.1.1987
SKU: NS-1238782
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-31 (Number of items: 2 290 450)
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