| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 1399.4-2020 | English | 379 |
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Days<=3
|
(Electric Test/Inspection Vehicle - Part 4: Switching Apparatus AC Withstand Voltage Test Vehicle)
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DL/T 1399.4-2020
| Valid |
DL/T 1399.4-2020
|