| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20139.2-2017 | English | 434 |
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Days<=4
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Electrical insulation systems -- Thermal evaluation of modifications to an established electrical insulation system (EIS) -- Part 2: Form-wound EIS
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GB/T 20139.2-2017
| Valid |
GB/T 20139.2-2017
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