| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 848.4-2019 | English | 439 |
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Days<=4
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General specification of high voltage test devices - Part 4: Triple-frequency test power supply device
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DL/T 848.4-2019
| Valid |
DL/T 848.4-2019
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