| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 4020.1-2022 | English | 839 |
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Days<=6
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(Single Fiber Bidirectional Wavelength Division Multiplexer for Metro Access - Part 1: DWDM)
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YD/T 4020.1-2022
| Valid |
YD/T 4020.1-2022
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