| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JTG/T D31-05-2017 | English | 2209 |
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Days<=10
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(Technical Code for Design and Construction of Highway Subgrade in Loess Area)
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JTG/T D31-05-2017
| Valid |
JTG/T D31-05-2017
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