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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31439.1-2015 |
Guardrail—Part 1: Corrugated sheet steel W-beams for road guardrail 波形梁钢护栏 第1部分：两波形梁钢护栏 |
China National Standards Guardrail—Part 1: Corrugated |
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