| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20421.5-2021 | English | RFQ |
ASK
|
Days<=3
|
(Method for monitoring the status of cables important to safety in nuclear power plants - Part 5: Optical time domain reflection)
|
NB/T 20421.5-2021
| Valid |
NB/T 20421.5-2021
|