| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 42321-2023 | English | 579 |
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Days<=5
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Additional requirements for internal arc classified pole-mounted metal-enclosed switchgear for rated voltages above 3.6 kV and up to and including 40.5 kV
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GB/T 42321-2023
| Valid |
GB/T 42321-2023
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