| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JT/T 939.4-2020 | English | 349 |
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Days<=3
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LED lighting luminaires for highway - Part 4: LED lighting luminaires on bridge guardrail
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JT/T 939.4-2020
| Valid |
JT/T 939.4-2020
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