| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JT/T 939.2-2025 | English | 479 |
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Days<=4
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(Highway LED lighting - Part 2: Highway tunnel LED lighting fixtures)
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JT/T 939.2-2025
| Valid |
JT/T 939.2-2025
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