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首页 › 标准目录 › NACE Rev. 2.1 › F · CONSTRUCTION › 42 · Civil engineering › 42.1 · Construction of roads and railways
NACE Rev. 2.1 EU 中类
42.1

Construction of roads and railways

3
小类
直属分类 · 3 项
42.11
Construction of roads and motorways
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42.12
Construction of railways and underground railways
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42.13
Construction of bridges and tunnels
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同级分类
42.1 Construction of roads and railways 42.2 Construction of utility projects 42.9 Construction of other civil engineering projects
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