| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 18891-2024 | English | 194 |
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Days<=3
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Designation of phase differences by hour numbers in three-phase AC systems
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GB/T 18891-2024
| Valid |
GB/T 18891-2024
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