| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YDB 142.4-2013 | English | 529 |
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Days<=4
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The parameter and measurement of energy saving for multimedia telecommunications terminal. Part 4: Visual surveillance equipment
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YDB 142.4-2013
| Valid |
YDB 142.4-2013
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