| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 31439.1-2015 | English | 529 |
Add to Cart
|
Days<=5
|
Corrugated sheet steel beams for road guardrail -- Part 1: W-beam guardrail
|
GB/T 31439.1-2015
| Valid |
GB/T 31439.1-2015
|