GB/T 31439.2-2025

Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam guardrail

NORMA vydaná dňa 29.8.2025

Anglicky a čínsky -
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The information about the standard:

Designation standards: GB/T 31439.2-2025
Publication date standards: 29.8.2025
Country: Chinese technical standard
Kategória: Technické normy GB