| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 283.4-2021 | English | 1759 |
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Days<=8
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(Power Video Surveillance System and Interface - Part 4: Front-End Equipment)
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DL/T 283.4-2021
| Valid |
DL/T 283.4-2021
|