Corrugated Beam Steel Guardrails Part 1: Two Wave Beam Steel Guardrails
Corrugated Beam Steel Guardrails Part 1: Two Wave Beam Steel Guardrails, Total:2 items.
The international standard classification for "Corrugated Beam Steel Guardrails Part 1: Two Wave Beam Steel Guardrails" includes: Road equipment and installations .
The Chinese standard classification for "Corrugated Beam Steel Guardrails Part 1: Two Wave Beam Steel Guardrails" includes: Highway engineering .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 31439.1-2015(英文版) Corrugated steel guardrail Part 1: Two corrugated steel guardrail
- GB/T 31439.1-2015 Corrugated sheet steel beams for road guardrail―Part 1:W-beam guardrail