GB/T 31439.1-2025

Corrugated sheet steel beams for road guardrail—Part 1:W-beam guardrail

STANDARD published on 29.8.2025

English, Chinese -
electronic design (pdf) (622.80 USD)

The information about the standard:

Designation standards: GB/T 31439.1-2025
Publication date standards: 29.8.2025
Country: Chinese technical standard
Category: Technical standards GB