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| International Standard Category: Insulating gases |
GB/T 4207-1984 Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
固体绝缘材料在潮湿条件下相比漏电起痕指数和耐漏电起痕指数的测定方法 ;
| Category No.: | 29.040.20 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1984-03-01 | |
| Implemented Date: | 1984-12-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 4207-2003 Method for determining the comparative and the proof trackin indices of solid insulating materials under moist conditionis |
Superseded Date: | 2003-12-1 |
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